# Underground

> A chronological documentary of 647 moments spanning c. 4000 BC–2026.
> Source: https://loreline.live/loreline/underground · Loreline (loreline.live)

We live on a thin skin. Beneath it are voids that water spent millions of years dissolving, shafts people sank looking for salt and gold and coal, cities carved out of soft rock by populations hiding from armies, and a biosphere of microbes that may outweigh everything walking around up here. Below all of that is a planet we have never seen and never will, the deepest hole ever drilled reached twelve kilometres and stopped, which is not quite a third of the way through the crust, let alone the six thousand to the centre. Everything we know about the inside of the Earth we learned by listening to earthquakes. The underground is also where the record is kept: it buried Pompeii and preserved it, held Tutankhamun for three thousand years, and kept the oldest art anyone has found on walls that no daylight ever reached. This archive goes down through all of it, the caves, the mines, the digs, the tunnels, the life, the descent, the deep earth, and the underworld people imagined long before they could measure any of it.

_Curated by Olivier · last updated 2026-08-22._

## Eras

- **Geology**, What the ground is made of and how it moves. Plate tectonics and the mantle, the rock cycle, volcanoes and magma chambers, aquifers and groundwater, the deepest boreholes ever drilled, and the instruments that read a planet nobody can see into.
- **Earthquakes**, The ground failing. Faults and how they rupture, seismology and the seismograph, the big ones from Lisbon to Tōhoku, early-warning systems, building codes and what survives, and the search-and-rescue work in the first seventy-two hours.
- **Soil & Worms**, The living few metres at the top. Soil horizons and how long they take to form, the worms Darwin spent forty years on, mycorrhizal networks and the fungi that trade with roots, burrowing animals, the seed bank, and the erosion that removes it all faster than it accumulates.
- **Caves**, The hollow places. Limestone and karst, stalactites and stalagmites, lava tubes and ice caves, crystal chambers, the biggest caverns yet found, and how a cave is surveyed and mapped.
- **Caving**, Going in. Sport caving and expedition caving, the deep systems of Krubera and Veryovkina, rope work and sumps, cave diving and its fatality rate, the Thai cave rescue of 2018, and the people who keep going back down.
- **Cave Life**, What lives in permanent darkness. Bats and their colonies, blind fish and cave salamanders, troglobites that lost their eyes and pigment, extremophiles in deep rock, and the microbiology of places sunlight never reaches.
- **Cave Art**, The oldest pictures. Chauvet, Lascaux, Altamira, El Castillo and the Sulawesi hand stencils, ochre and charcoal and blown pigment, the dating arguments, and the replica caves built because human breath was destroying the originals.
- **Archaeology**, Digging up what people left. Stratigraphy and the trench, Pompeii and Herculaneum, Çatalhöyük and Sutton Hoo, ground-penetrating radar and LiDAR, radiocarbon dating, and the finds that rewrote a chronology.
- **Tombs**, Burial as architecture. Tutankhamun and the Valley of the Kings, Qin Shi Huang's terracotta army and the unopened mound, Newgrange and the passage graves, mummies and bog bodies, and the grave goods that tell you what a society valued.
- **Catacombs**, The cities of the dead beneath cities. Rome's Christian catacombs, the Paris ossuary and its six million, the Capuchin crypts, Odesa and Naples, and the tunnels people later used to hide, smuggle or party in.
- **Rock Churches**, Buildings cut down into the ground instead of up from it. Lalibela's monolithic churches, Petra, the Cappadocian settlements of Göreme and Derinkuyu, the cliff monasteries of the Judean desert, and the ceilings that were once solid stone.
- **Mines**, Taking the rock out. Coal and copper and salt, the shaft and the drift, room-and-pillar and longwall, the cage and the headframe, the mining town, the machines that replaced ten thousand men, and the pits that closed.
- **Gold Rush**, Sudden wealth underground. California in 1849, the Klondike and Witwatersrand, the panning and the claim, boomtowns built and abandoned in a decade, and the artisanal gold miners still going down on ropes today.
- **Lithium & Cobalt**, The mining the energy transition runs on. Lithium brines and hard-rock spodumene, cobalt in the Congo and the artisanal pits, rare earths and their processing, deep-sea nodules, and the supply chains behind every battery.
- **Mining Disasters**, When it goes wrong. Firedamp and coal-dust explosions, roof falls and floods, Aberfan and Courrières and Senghenydd, the Chilean thirty-three and their sixty-nine days, mine rescue teams, and the inquiries that followed.
- **Tunnels**, Boring through. The tunnel boring machine and the roadheader, the Channel Tunnel and the Gotthard Base, metro construction under a live city, sewers and utility tunnels, and the deep repositories being built to hold nuclear waste for a hundred thousand years.
- **Secret Tunnels**, Underground because it had to be hidden. Escape tunnels under the Berlin Wall, the Cu Chi network, smuggling and cartel tunnels, wartime bunkers and command centres, the Underground Railroad, and the places people went to survive a government.
- **Myth**, The underworld as an idea. Hades and Sheol and Xibalba, hollow-earth theories and the people who believed them, the journey down and back in myth and literature, and the persistent human conviction that something is under there.

## Timeline

### c. 4000 BC
- **c. 4000 BC**, Flint in the Form of a Bird. (5000–2950 BCE), Naqada II–III (3650–3000 BCE), dated 4000–3000 BCE. Museum photograph of an excavated object; the date given is the object's, not the photograph's. [scene](https://loreline.live/loreline/underground/scene/5e73d780-cf7a-4714-abf4-0bb6172e9951) Source: https://clevelandart.org/art/1995.40
### c. 3800 BC
- **c. 3800 BC**, Seal Amulet in the form of a Lion's Head. 3800–3500 BCE. Museum photograph of an excavated object; the date given is the object's, not the photograph's. [scene](https://loreline.live/loreline/underground/scene/d922f264-3c0a-40a3-bfa6-79c9b048ad7d) Source: https://clevelandart.org/art/2000.42
### c. 3000 BC
- **c. 3000 BC**, Kandila (Collared Jar with Conical Foot). ), Greece, Cycladic, dated 3000–2950 BCE. Museum photograph of an excavated object; the date given is the object's, not the photograph's. [scene](https://loreline.live/loreline/underground/scene/9398daf7-94b8-44f5-ad29-694bad280228) Source: https://clevelandart.org/art/1991.166
### c. 1980 BC
- **c. 1980 BC**, Sickle Blade. (2040–1648 BCE), Dynasty 12, dated 1980–1801 BCE. Museum photograph of an excavated object; the date given is the object's, not the photograph's. [scene](https://loreline.live/loreline/underground/scene/82820782-924a-4033-bf0e-1fb8038efbbf) Source: https://clevelandart.org/art/1915.34.80
- **c. 1980 BC**, Sickle Blades. (2040–1648 BCE), Dynasty 12, dated 1980–1801 BCE. Museum photograph of an excavated object; the date given is the object's, not the photograph's. [scene](https://loreline.live/loreline/underground/scene/f0849ec9-b7cb-4e65-97a9-a6b215c272b2) Source: https://clevelandart.org/art/1915.34
### c. 1918 BC
- **c. 1918 BC**, Coffin of Senbi (Lid). ), Egypt, Meir, Middle Kingdom (2040–1648 BCE), Dynasty 12, reign of Amenemhat II (1929–1895 BCE), reign of Senusret III (1878–1839 BCE), dated 1918–1859 BCE. Museum photograph of an excavated object; the date given is the object's, not the photograph's. [scene](https://loreline.live/loreline/underground/scene/bbd6ef83-b149-4739-b2d0-f6766a9ad5a8) Source: https://clevelandart.org/art/1914.716.b
### c. 1540 BC
- **c. 1540 BC**, Fragment of a Necklace. (1540–1069 BCE), Dynasty 18, dated 1540–1296 BCE. Museum photograph of an excavated object; the date given is the object's, not the photograph's. [scene](https://loreline.live/loreline/underground/scene/26678507-9bcc-4c97-9ee8-ba7060a1f1f1) Source: https://clevelandart.org/art/1915.15
### c. 1069 BC
- **c. 1069 BC**, Amulet of Bastet. (1069–715 BCE), dated c. 1069–715 BCE. Museum photograph of an excavated object; the date given is the object's, not the photograph's. [scene](https://loreline.live/loreline/underground/scene/366b4cb3-b6ba-465c-a2c4-20effedb6d45) Source: https://clevelandart.org/art/1973.29
### c. 1000 BC
- **c. 1000 BC**, Coffin of Bakenmut. (1069–715 BCE), Dynasties 21–22, dated c. 1000–900 BCE. Museum photograph of an excavated object; the date given is the object's, not the photograph's. [scene](https://loreline.live/loreline/underground/scene/2536add9-bea9-4644-97bc-95bcab0a0ae0) Source: https://clevelandart.org/art/1914.561
### c. 990 BC
- **c. 990 BC**, Shawabty of Pinudjem I, High Priest of Amen and King. (1069–715 BCE), Dynasty 21, dated c. 990–969 BCE. Museum photograph of an excavated object; the date given is the object's, not the photograph's. [scene](https://loreline.live/loreline/underground/scene/8403f65f-f893-446a-b9bd-6247295b7a40) Source: https://clevelandart.org/art/1914.582
### c. 976 BC
- **c. 976 BC**, Coffin of Nesykhonsu. (1069–715 BCE), Dynasties 21–22, dated c. 976–889 BCE. Museum photograph of an excavated object; the date given is the object's, not the photograph's. [scene](https://loreline.live/loreline/underground/scene/aa470b7c-5a48-4b90-b060-b7815f4b5410) Source: https://clevelandart.org/art/1914.714
### c. 664 BC
- **c. 664 BC**, Amulet of a Crouching Bear. (715–332 BCE), dated 664–332 BCE. Museum photograph of an excavated object; the date given is the object's, not the photograph's. [scene](https://loreline.live/loreline/underground/scene/383ff40b-7f3d-4225-ae3d-cc7aea4af6c1) Source: https://clevelandart.org/art/1998.27
- **c. 664 BC**, Canopic Jar with Jackal's Head (lid). ), Egypt, Late period (715–332 BCE), Dynasty 26, dated 664–525 BCE. Museum photograph of an excavated object; the date given is the object's, not the photograph's. [scene](https://loreline.live/loreline/underground/scene/7f2b4183-302f-477a-b08b-cdc8cd759859) Source: https://clevelandart.org/art/1921.1021.b
- **c. 664 BC**, Canopic Jar with Man's Head (lid). ), Egypt, Late period (715–332 BCE), Dynasty 26, dated 664–525 BCE. Museum photograph of an excavated object; the date given is the object's, not the photograph's. [scene](https://loreline.live/loreline/underground/scene/ce18a363-87d9-4f22-a936-d6f2e4ec84eb) Source: https://clevelandart.org/art/1921.1019.b
- **c. 664 BC**, Canopic Jar with Baboon's Head (lid). ), Egypt, Late period (715–332 BCE), Dynasty 26, dated 664–525 BCE. Museum photograph of an excavated object; the date given is the object's, not the photograph's. [scene](https://loreline.live/loreline/underground/scene/ef667a36-8d69-4439-9890-bc806e830c90) Source: https://clevelandart.org/art/1921.1020.b
### c. 499 BC
- **c. 499 BC**, Black-Gloss Oil Lamp. 400s BCE. Museum photograph of an excavated object; the date given is the object's, not the photograph's. [scene](https://loreline.live/loreline/underground/scene/f5cf7b3b-d86d-4552-8f4c-d49a7b902da8) Source: https://clevelandart.org/art/1986.1041
### c. 360 BC
- **c. 360 BC**, Shawabty of Nectanebo II. (715–332 BCE), Dynasty 30, reign of Nectanebo II (358–340 BCE), dated 360–342 BCE. Museum photograph of an excavated object; the date given is the object's, not the photograph's. [scene](https://loreline.live/loreline/underground/scene/a8faf4b1-80a3-495a-9b3d-d027374bfcef) Source: https://clevelandart.org/art/1920.1989
### c. 100 BC
- **c. 100 BC**, Lamp. 100–1 BCE. Museum photograph of an excavated object; the date given is the object's, not the photograph's. [scene](https://loreline.live/loreline/underground/scene/1601a1ee-ecd7-4c01-b6ad-c6d41e506b23) Source: https://clevelandart.org/art/1953.12
### c. 60 BC
- **c. 60 BC**, Oil Lamp. (c. 50 BCE, 50 CE), dated c. 50 BCE, 50 CE. Museum photograph of an excavated object; the date given is the object's, not the photograph's. [scene](https://loreline.live/loreline/underground/scene/e904cb8c-1f55-41b0-aa6c-4319bc839201) Source: https://clevelandart.org/art/2023.104
### c. 50 BC
- **c. 50 BC**, Cartonnage Mummy Case. (332 BCE, 395 CE), Ptolemaic dynasty (305–30 BCE), Roman empire (30 BCE, 395 CE), dated c. 50 BCE, 50 CE. Museum photograph of an excavated object; the date given is the object's, not the photograph's. [scene](https://loreline.live/loreline/underground/scene/1450d972-ee62-4727-832b-5a50e9848249) Source: https://clevelandart.org/art/1914.715
### 25
- **0025**, Funerary Portrait of a Young Girl. 25–37 CE. Museum photograph of an excavated object; the date given is the object's, not the photograph's. [scene](https://loreline.live/loreline/underground/scene/e68a57bc-e162-4e71-b0ed-fea597d7d020) Source: https://clevelandart.org/art/1971.137
### 100
- **0100**, Sarcophagus. 100–125 CE. Museum photograph of an excavated object; the date given is the object's, not the photograph's. [scene](https://loreline.live/loreline/underground/scene/a8dff13b-b66c-4b81-99b2-88d54b4a8aed) Source: https://clevelandart.org/art/1928.856
### 138
- **0138**, Funerary Panel of a Man. (Egypt), unknown painter, dated about 138–92 CE. Museum photograph of an excavated object; the date given is the object's, not the photograph's. [scene](https://loreline.live/loreline/underground/scene/d9540167-0cab-4d96-8c28-b0464787af71) Source: https://clevelandart.org/art/1971.135
- **0138**, Funerary Portrait of a Woman. 138–92 CE. Museum photograph of an excavated object; the date given is the object's, not the photograph's. [scene](https://loreline.live/loreline/underground/scene/600b83c3-9b57-48c4-9f2f-bc57b403eaba) Source: https://clevelandart.org/art/1971.136
### 200
- **0200**, Relief Portrait Head of the Emperor Balbinus. 238 CE. Museum photograph of an excavated object; the date given is the object's, not the photograph's. [scene](https://loreline.live/loreline/underground/scene/feb52d37-39df-41b8-a40d-efd7a315a4cc) Source: https://clevelandart.org/art/1925.945
### 250
- **0250**, Axe. 250–900 CE. Museum photograph of an excavated object; the date given is the object's, not the photograph's. [scene](https://loreline.live/loreline/underground/scene/751301a3-84cf-424b-b8a9-37869ceecf68) Source: https://clevelandart.org/art/1997.170
### 350
- **0350**, Funerary Urn. 350–500 CE. Museum photograph of an excavated object; the date given is the object's, not the photograph's. [scene](https://loreline.live/loreline/underground/scene/470832cc-5a71-43c0-b428-34f85869b8db) Source: https://clevelandart.org/art/1944.78
### 600
- **0600**, Eccentric Flint. (250-900), dated 600–900. Museum photograph of an excavated object; the date given is the object's, not the photograph's. [scene](https://loreline.live/loreline/underground/scene/63d805e4-bc28-47a9-abed-6a6755af72c0) Source: https://clevelandart.org/art/1950.161
### 1000
- **1000**, Animal-Headed Figure Pendant. 1000-1550, dated c. 1000–1550. Museum photograph of an excavated object; the date given is the object's, not the photograph's. [scene](https://loreline.live/loreline/underground/scene/3d168108-292a-460c-bb1b-1c83b4f07977) Source: https://clevelandart.org/art/1998.1
### 1200
- **1200**, Funerary Mask. 13th-16th century, dated 1200–1500. Museum photograph of an excavated object; the date given is the object's, not the photograph's. [scene](https://loreline.live/loreline/underground/scene/9afdb13c-60b7-4f3c-8f30-fe09e33f3479) Source: https://clevelandart.org/art/1957.396
- **1200**, Funerary Female Figure. 15th-16th century, dated 1200–1500. Museum photograph of an excavated object; the date given is the object's, not the photograph's. [scene](https://loreline.live/loreline/underground/scene/ba08b332-6dcc-4637-8c8d-b78de2173c3b) Source: https://clevelandart.org/art/1957.397
### 1737
- **1737-01-01**, Ancient Egyptian Mummies - Pomet's Drogues. Ancient Egyptian Mummies from Pierre Pomet's Histoire Générale des Drogues (1694) by Pierre Pomet \[1658 - 1699\] Compleat History of Druggs, a - translated 1737 https://archive.org/details/compleathist. Period photograph. [scene](https://loreline.live/loreline/underground/scene/7cfa54be-5a07-451b-abf6-337064492279) Source: https://commons.wikimedia.org/wiki/File:Ancient_Egyptian_Mummies_-_Pomet%27s_Drogues.jpg
### 1816
- **1816**, Disposition des os dans les catacombes, 1816, D.16744. Auteur(s): Forbes, James (Londres, 1749 - 1819), dessinateur Date de production: En 1816 Type(s) d'objet(s): Dessin, Arts graphiques Dénomination(s): Dessin Dimensions - Oeuvre: Hauteur: 21.4 cm Larg. [scene](https://loreline.live/loreline/underground/scene/c3471db2-f3f6-46b2-a734-4fddde2d5192) Source: https://commons.wikimedia.org/wiki/File:Disposition_des_os_dans_les_catacombes,_1816,_D.16744.jpg
- **1816**, Le puits, ou source de l’oubli, aux Catacombes, 1816. D.16748. Auteur(s): Forbes, James (Londres, 1749 - 1819), dessinateur Date de production: En 1816 Type(s) d'objet(s): Dessin, Arts graphiques Dénomination(s): Dessin Dimensions - Oeuvre: Hauteur: 15.4 cm Larg. [scene](https://loreline.live/loreline/underground/scene/02ea879c-5a19-4c90-852c-fed08cc7c8fc) Source: https://commons.wikimedia.org/wiki/File:Le_puits,_ou_source_de_l%E2%80%99oubli,_aux_Catacombes,_1816._D.16748.jpg
### 1850
- **1850-06-15**, Paris Catacombes 008. Besucher in den Katakomben von Paris, Zeichnung (Anfang des 19. Jahrhunderts). Period photograph. [scene](https://loreline.live/loreline/underground/scene/c22e6dc5-fb7f-41c3-a45d-36673b461e2c) Source: https://commons.wikimedia.org/wiki/File:Paris_Catacombes_008.JPG
### 1855
- **1855-02-10**, Pen and Pencil (newspaper), 10 February 1855 page 5. Pen and Pencil, Saturday, 10 February 1855, No. 1, Vol I., page 5 of 16, including illustrations. An illustration from Pen and Pencil (an illustrated Family Newspaper). The Sister of Charity. The Ca. Period photograph. [scene](https://loreline.live/loreline/underground/scene/29eabd0b-956b-4029-9014-1c90da343329) Source: https://commons.wikimedia.org/wiki/File:Pen_and_Pencil_(newspaper),_10_February_1855_page_5.jpg
### 1859
- **1859-06-15**, Plate II- Topaz, Garnet, Vesuvian, Idocrase, Chrysolite, Olivine, Pistacite, Epidote, Turq. Figures 1-7. The Topaz. 1. Topaz 2. The same \[Topaz\] 3. Dark Yellow Topaz 4. Sea-green Topaz or Aquamarine 5. Light Yellow Topaz 6. Dark Yellow Topaz 7. The same \[Dark Yellow Topaz\] Figures 8-19. The. Period photograph. [scene](https://loreline.live/loreline/underground/scene/9ce18ddc-e053-46c4-be35-465b42b1a28e) Source: https://commons.wikimedia.org/wiki/File:Plate_II-_Topaz,_Garnet,_Vesuvian,_Idocrase,_Chrysolite,_Olivine,_Pistacite,_Epidote,_Turquoise,_Johnite,_Calamite,_Lazulite,_Lapis_Lazuli_-_DPLA_-_415604fa3a078b721e4f08807dc73042.jpg
- **1859-06-15**, Plate XII- Sulphur, Honey-Stone, Graphite, Coal, Lignite - - f8bf61b7c988972178384f3d01ded. Figures 1-3. Sulphur. 1. Native Sulphur 2. The same \[Native Sulphur\] 3. The same \[Native Sulphur\] Figure 4. Honey-Stone. 4. Honey-Stone or Mellite Figures 5-7. Graphite. 5. Graphite Plumbago 6. Clear. Period photograph. [scene](https://loreline.live/loreline/underground/scene/c74d944d-2e73-4bc7-8075-f6773a457157) Source: https://commons.wikimedia.org/wiki/File:Plate_XII-_Sulphur,_Honey-Stone,_Graphite,_Coal,_Lignite_-_DPLA_-_f8bf61b7c988972178384f3d01deda71.jpg
### 1862
- **1862-06-15**, Catacombes - Fontaine de la Samaritaine - estampe - APMartial (Potémont) - btv1b84574460. Sujet: Puits Paris (France) -- Catacombes Paysages -- 19e siècle Collection: \[Ancien Paris\]; 271 Collection: \[Ancien Paris\]; 271 Éditeur: \[Cadart et Luquet; Potémont\] (Paris). Period photograph. [scene](https://loreline.live/loreline/underground/scene/9ade4c47-d4c0-4e42-90f9-3f5c9f126383) Source: https://commons.wikimedia.org/wiki/File:Catacombes_-_Fontaine_de_la_Samaritaine_-_estampe_-_APMartial_(Pot%C3%A9mont)_-_btv1b84574460.jpg
### 1863
- **1863**, Lantern Slide Earthworm -- Larder - John H Crabtree - 118 1934 48. This photographic slide shows a feature in the soil and is entitled ‘Earthworm - larder’. The slide was part of the collection belonging to John Crabtree and is within a set of slides of nature and bi. Period photograph. [scene](https://loreline.live/loreline/underground/scene/2926cf10-43d8-469b-a3ea-c97802236e03) Source: https://commons.wikimedia.org/wiki/File:Lantern_Slide_Earthworm_--_Larder_-_John_H_Crabtree_-_118_1934_48.png
### 1874
- **1874**, The Quarterly journal of the Geological Society of London. W. TOPLET OK AREAS OF APPARENT UPHEAVAL. 189 these rocks would he affected by this amount, besides that resulting from the thinning of the higher Secondary rocks themselves. We see, then, that in esti. Period photograph. [scene](https://loreline.live/loreline/underground/scene/7fb0b667-2e94-4dc6-9872-9d7df4159737) Source: https://commons.wikimedia.org/wiki/File:The_Quarterly_journal_of_the_Geological_Society_of_London_(12733748235).jpg
### 1893
- **1893**, Vue d'une des parois d'une galerie de l'Ossuaire des Catacombes, 1893, PH10012. Auteur(s): Anonyme, photographe Autre titre: Galerie de l'Ossuaire, Catacombes, 14ème arrondissement, Paris. (Titre factice) Date de production: En 1893 Type(s) d'objet(s): Photographie, Arts graphiqu. [scene](https://loreline.live/loreline/underground/scene/672c76cd-bb91-4ebf-a750-9fe8c0f37c45) Source: https://commons.wikimedia.org/wiki/File:Vue_d%27une_des_parois_d%27une_galerie_de_l%27Ossuaire_des_Catacombes,_1893,_PH10012.jpg
### 1897
- **1897**, George Carnac, miner. Title: George Carnac, miner Abstract/medium: 1 photographic print. Period photograph. [scene](https://loreline.live/loreline/underground/scene/30e05079-7e3a-4217-9289-c21876e101d7) Source: https://commons.wikimedia.org/wiki/File:George_Carnac,_miner_LCCN89710064.jpg
### 1900
- **1900-06-15**, A power drill at the Echo Mining Company mine, Mojave Mining District, ca.1900 (CHS. A power drill at the Echo Mining Company mine, Mojave Mining District, ca.1900 Photograph of a power drill in operation at the Echo Mining Company mine, Mojave Mining District. Dust is generated at ri. Period photograph. [scene](https://loreline.live/loreline/underground/scene/54954782-a68e-4c3a-bae8-0d0b4728a97a) Source: https://commons.wikimedia.org/wiki/File:A_power_drill_at_the_Echo_Mining_Company_mine,_Mojave_Mining_District,_ca.1900_(CHS-2412).jpg
- **1900-06-15**, E.M. Hamilton, discoverer of Willow Springs Mine near Rosamond, Antelope Valley, at the mi. 1900 Photograph of miner E.M. Hamilton, discoverer of Willow Springs Mine near Rosamond, Antelope Valle. Period photograph. [scene](https://loreline.live/loreline/underground/scene/fad18347-1d1c-4673-8121-8c6847147bde) Source: https://commons.wikimedia.org/wiki/File:E.M._Hamilton,_discoverer_of_Willow_Springs_Mine_near_Rosamond,_Antelope_Valley,_at_the_mine,_ca.1900_(CHS-1893).jpg
- **1900-06-15**, Group of prospectors on the Colorado River in Glen Canyon up from Lee's Ferry, Grand Canyo. 1900 Photograph of a group of five prospectors on the Colorado River in Glen Canyon up from Lee's Ferry. Period photograph. [scene](https://loreline.live/loreline/underground/scene/f339aed9-c8ac-47f8-a487-658ee750d72f) Source: https://commons.wikimedia.org/wiki/File:Group_of_prospectors_on_the_Colorado_River_in_Glen_Canyon_up_from_Lee%27s_Ferry,_Grand_Canyon,_ca.1900_(CHS-3890).jpg
- **1900-06-15**, Interior view of mine and miners in the Mohawk Mine, Goldfield, Nevada, ca.1900. 1905 Photograph of the interior view of mine, miners and $80,000 to the ton in gold sitting on the ledge in the Mohawk M. Period photograph. [scene](https://loreline.live/loreline/underground/scene/9bd33ac2-ee76-4d9d-9abb-50e402eef0a8) Source: https://commons.wikimedia.org/wiki/File:Interior_view_of_mine_and_miners_in_the_Mohawk_Mine,_Goldfield,_Nevada,_ca.1900-1905_(CHS-5417).jpg
- **1900**, Mass portrait, Congo, ca. 1900. 1915 Black and white lantern slide showing a portrait of many men, women and children posed what may be a hill up to a mine-shaft in colonial Belgian Congo (present day. Period photograph. [scene](https://loreline.live/loreline/underground/scene/64b7b60c-a323-4478-9e0e-012b250b790a) Source: https://commons.wikimedia.org/wiki/File:Mass_portrait,_Congo,_ca._1900-1915_(IMP-CSCNWW33-OS11-65).jpg
### 1901
- **1901-02-01**, Derby Mine, Mill & Camp, Thumb Butte Prescott. Millsite and Camp, Derby Mine, Prescott Arizona -Thumb Butte Mining District, George U. Young. Period photograph. [scene](https://loreline.live/loreline/underground/scene/1f7a9aa6-3de0-4aaf-a926-98357f7d812c) Source: https://commons.wikimedia.org/wiki/File:Derby_Mine,_Mill_%26_Camp,_Thumb_Butte_Prescott.png
### 1905
- **1905-01-01**, Derby Mine George Young Highland Pines Prescott. Miners in Thumb Butte Mining District, George U. Young of Derby Mines, Prescott, Yavapai County, Arizona Territory. Period photograph. [scene](https://loreline.live/loreline/underground/scene/9afe4e0e-f60b-4119-a983-0b605f4e7e2d) Source: https://commons.wikimedia.org/wiki/File:Derby_Mine_George_Young_Highland_Pines_Prescott.png
- **1905**, File-A0305-2--Main Line Scranton Division--Nay Aug Tunnel--East End. A0305-2--Main Line Scranton Division--Nay Aug Tunnel--East End \[1905.12.11\] Keywords: tunnel; Railroads; (NPS Focus Subject Thesaurus). Period photograph. [scene](https://loreline.live/loreline/underground/scene/c234e648-684d-4e87-87bc-2bda58cadbe3) Source: https://commons.wikimedia.org/wiki/File:File-A0305-2--Main_Line_Scranton_Division--Nay_Aug_Tunnel--East_End_-1905.12.11-_(73a9460c-fd3c-4360-95d1-08048ac5b1c8).jpg
- **1905**, File-A0017--Old mine opening -?. A0017--Old mine opening \[?\] \[1905.03.09\] Keywords: Anthracite industry; (NPS Focus Subject Thesaurus); Mining. Period photograph. [scene](https://loreline.live/loreline/underground/scene/d1a73ea2-e522-4ed9-a856-30ed8cfed4d4) Source: https://commons.wikimedia.org/wiki/File:File-A0017--Old_mine_opening_-%3F-_-1905.03.09-_(aa8616e5-de5d-4629-b674-afc4da90d0db).jpg
- **1905**, File-A0018--Old mine opening -?. A0018--Old mine opening \[?\] \[1905.03.09\] Keywords: snow; abandonned; Anthracite industry; (NPS Focus Subject Thesaurus); Mining. Period photograph. [scene](https://loreline.live/loreline/underground/scene/5fef0e09-ff84-43ab-93c2-079f3b50b74e) Source: https://commons.wikimedia.org/wiki/File:File-A0018--Old_mine_opening_-%3F-_-1905.03.09-_(9bc2d87c-cc46-4c01-9841-3b8242e930a4).jpg
### 1906
- **1906**, File-A0310-A0314--Main Line Scranton Division--Nay Aug Tunnel. A0313 Concrete Arch West Keywords: tunnel; retaining wall; Railroads; (NPS Focus Subject Thesaurus). Period photograph. [scene](https://loreline.live/loreline/underground/scene/57b3bf9b-e30d-4686-885e-f52fa9138699) Source: https://commons.wikimedia.org/wiki/File:File-A0310-A0314--Main_Line_Scranton_Division--Nay_Aug_Tunnel_-1906.01.02-_(380ea3ca-3435-4145-ad1d-f39e0304a0f2).jpg
### 1909
- **1909**, Coal wagons waiting in line 6 blocks long to get coal at one of the largest coal yards in. Title: Coal wagons waiting in line 6 blocks long to get coal at one of the largest coal yards in Chicago... Abstract/medium: 1 photographic print. Period photograph. [scene](https://loreline.live/loreline/underground/scene/6946d411-1c45-4441-b421-9f4caf7cd54a) Source: https://commons.wikimedia.org/wiki/File:Coal_wagons_waiting_in_line_6_blocks_long_to_get_coal_at_one_of_the_largest_coal_yards_in_Chicago_..._LCCN93502723.jpg
### 1910
- **1910-06-15**, Italian and African-American Clay Miners in Mine Shaft. Title: Italian and African-American Clay Miners in Mine Shaft. Period photograph. [scene](https://loreline.live/loreline/underground/scene/7bf31066-50ff-4f35-937c-9fd869d54dbe) Source: https://commons.wikimedia.org/wiki/File:Italian_and_African-American_Clay_Miners_in_Mine_Shaft.jpg
### 1911
- **1911**, Vecsembükki expedíció 002 képeslap 1911 B.I.G. Members of Vecsembükk expedition in 1911 (Hungary). Period photograph. [scene](https://loreline.live/loreline/underground/scene/46abd78b-7de1-4eb1-868e-e685511ea15d) Source: https://commons.wikimedia.org/wiki/File:Vecsemb%C3%BCkki_exped%C3%ADci%C3%B3_002_k%C3%A9peslap_1911_B.I.G.jpg
- **1911**, Vecsembükki expedíció Bekey Imre Gábor 1911. Photograph showing vecsembükki expedíció bekey imre gábor 1911. Period photograph. [scene](https://loreline.live/loreline/underground/scene/8d84b4f0-a784-4151-9276-966e82fc25dc) Source: https://commons.wikimedia.org/wiki/File:Vecsemb%C3%BCkki_exped%C3%ADci%C3%B3_Bekey_Imre_G%C3%A1bor_1911.jpg
- **1911**, Lewis Hine, Jim McNulty, 15 years old, miner, North Pittston, Pennsylvania, 1911. Jim McNulty, 10 Morgan St. Is a leader inside the mine at Leadville Shaft. Said he was 15 years old. Location: North Pittston, Pennsylvania. Photograph by Lewis Wickes Hine, January 1911. \[PD\] This p. Period photograph. [scene](https://loreline.live/loreline/underground/scene/001e2a9e-b684-454f-a5f8-eea5b9f3a7c5) Source: https://commons.wikimedia.org/wiki/File:Lewis_Hine,_Jim_McNulty,_15_years_old,_miner,_North_Pittston,_Pennsylvania,_1911.jpg
### 1914
- **1914**, 1914 Fortepan 62768. Photograph showing 1914 fortepan 62768. Period photograph. [scene](https://loreline.live/loreline/underground/scene/63e9f23c-2be7-4899-9344-f93539a93380) Source: https://commons.wikimedia.org/wiki/File:1914_Fortepan_62768.jpg
### 1915
- **1915**, Company buildings. Lovett, Alberta, ca. 1915. From the Godby Family fonds, PR2009.0441/15. Period photograph. [scene](https://loreline.live/loreline/underground/scene/2c8653c9-d131-46f7-8e8c-8ce9977e6ad2) Source: https://commons.wikimedia.org/wiki/File:Company_buildings_(12683896065).jpg
- **1915**, Company houses. Mining company houses set up on clear-cut land. Lovett, Alberta, ca. 1915. From the Godby Family fonds, PR2009.0441/15. Period photograph. [scene](https://loreline.live/loreline/underground/scene/b919de92-0307-4dea-9b36-ca93318837fa) Source: https://commons.wikimedia.org/wiki/File:Company_houses_(12684002183).jpg
- **1915**, Company houses and store. Mining company houses and store on clear-cut land. Lovett, Alberta, ca. 1915. From the Godby Family fonds, PR2009.0441/15. Period photograph. [scene](https://loreline.live/loreline/underground/scene/a5d3c24c-87db-4965-8f65-0cd078e0d4e3) Source: https://commons.wikimedia.org/wiki/File:Company_houses_and_store_(12683864705).jpg
### 1922
- **1922**, Coal executives, 7-31-22. Title: Coal executives, 7/31/22 Abstract/medium: 1 negative: glass; 5 x 7 in. or smaller. Period photograph. [scene](https://loreline.live/loreline/underground/scene/83a65a40-6c69-497b-a9b8-339d5936f874) Source: https://commons.wikimedia.org/wiki/File:Coal_executives,_7-31-22_LCCN2016846595.jpg
- **1922**, Tutankhamen's Tomb (1922). British Pathe newsreel shot at the Valley of the Kings showing the gated entrance to the tomb in the year of its discovery. [scene](https://loreline.live/loreline/underground/scene/27e94532-9527-4add-bc82-63dbe259d5ad) Source: https://www.youtube.com/watch?v=FkE3RI7tvf0
### 1923
- **1923**, Coal mining. Title: Coal mining Abstract/medium: National Photo Company Collection (Library of Congress) Physical description: 1 negative:. Period photograph. [scene](https://loreline.live/loreline/underground/scene/ce629b4f-7137-4abd-9905-8cb7d116b6db) Source: https://commons.wikimedia.org/wiki/File:Coal_mining_LOC_npcc.08267.jpg
### 1927
- **1927**, Groep gemummificeerde lijken, mummies op Luçon op de Filipijnen, SFA022815205. Omschrijving: Groep gemummificeerde lijken / mummies op Luçon op de Filipijnen. De doden worden daar bij elkaar gezet op een heilige plek in de bergen, waar ze door de zon verdrogen en mummificeren. 1. Period photograph. [scene](https://loreline.live/loreline/underground/scene/3cf350f1-4eba-4087-ab2c-366c2b173fc9) Source: https://commons.wikimedia.org/wiki/File:Groep_gemummificeerde_lijken,_mummies_op_Lu%C3%A7on_op_de_Filipijnen,_SFA022815205.jpg
### 1933
- **1933**, Tinstone: how it is obtained in a Cornish mine (1933). British Pathe newsreel showing black tin ore raised from a Cornish mine and put through its first crushing. [scene](https://loreline.live/loreline/underground/scene/747a9034-64d6-48d1-a19c-f5c8973e82b8) Source: https://www.youtube.com/watch?v=CElPrlxKJWE
### 1934
- **1934**, Bethel excavations matpc.16401. Title: Bethel excavations Abstract/medium: G. Eric and Edith Matson Photograph Collection Physical description: 1 negative:. Period photograph. [scene](https://loreline.live/loreline/underground/scene/cd7010c7-0d6f-4bdf-87a7-5af6610d55c7) Source: https://commons.wikimedia.org/wiki/File:Bethel_excavations_LOC_matpc.16401.jpg
### 1939
- **1939**, The Sutton Hoo ship burial: 1939 excavation footage. Archive film of the 1939 dig at Sutton Hoo in Suffolk, showing the ship's imprint emerging from the sand. [scene](https://loreline.live/loreline/underground/scene/b1f9fe51-d6b7-4763-8c34-1e9994b6909a) Source: https://www.youtube.com/watch?v=HMKkMi_Wggg
### 1948
- **1948**, The Cornish engine (1948). Shell's 1948 documentary on the Cornish pumping engines, in their day the most powerful and economical steam pumps in the world, which kept the tin mines dry. [scene](https://loreline.live/loreline/underground/scene/8dae8659-1337-4d4b-9e70-26484117a580) Source: https://www.youtube.com/watch?v=9rd0b0Whprs
### 1950
- **1950-06-15**, Reproductions of cave paintings in the Altamira Cave, Spain, from the Illustrated London N. Title: Reproductions of cave paintings in the Altamira Cave, Spain, from the Illustrated London News, Aug. 17, 1912 Abstract/medium: G. Eric and Edith Matson Photograph Collection Physical description. [scene](https://loreline.live/loreline/underground/scene/58191b34-5d9c-4b48-9ebc-8d2fb4d6688d) Source: https://commons.wikimedia.org/wiki/File:Reproductions_of_cave_paintings_in_the_Altamira_Cave,_Spain,_from_the_Illustrated_London_News,_Aug._17,_1912_LOC_matpc.09944.jpg
- **1950-06-15**, Coal Miners. Title: Coal Miners Abstract/medium: 1 negative: glass; 5 x 7 in. or smaller. [scene](https://loreline.live/loreline/underground/scene/0fa1d964-1924-40fe-ab99-3eae62ce495e) Source: https://commons.wikimedia.org/wiki/File:Coal_Miners_LCCN2016822037.jpg
### 1952
- **1952**, Lascaux: Cradle of Man's Art (1952). An early documentary filmed when Lascaux was still open, twelve years after its discovery. [scene](https://loreline.live/loreline/underground/scene/82957b2e-43d5-4c25-acc8-9b27b65eb662) Source: https://www.youtube.com/watch?v=WwjyRCwZN3c
### 1957
- **1957-06-15**, Kulutusosuuskuntien Keskusliiton kokoelma D1974 7486H. Otanmäen kaivoksen työntekijöitä. Alkuperäinen kuvateksti: "Jämeriä 'mainareita' kaivoskuilun edustalla. Vasemmalta työnjohtaja Sulo Orvassaari, huoltomies Matti Lankinen ja konelastaaja Toivo Ohvanai. [scene](https://loreline.live/loreline/underground/scene/6a23cd62-4d8d-4676-983c-1560acfb7f2f) Source: https://commons.wikimedia.org/wiki/File:Kulutusosuuskuntien_Keskusliiton_kokoelma_D1974_7486H_(30278664583).jpg
### 1961
- **1961**, Project Mohole: Drilling for the Mantle. Period film documenting Project Mohole, the American attempt to drill through the ocean crust to the Mohorovicic discontinuity as an Earth-science answer to the Space Race. [scene](https://loreline.live/loreline/underground/scene/1f2457ad-9192-4a95-be8b-d8217237ea80) Source: https://www.youtube.com/watch?v=cMfMRxFgjpw
### 1966
- **1966**, Aberfan: valley of sorrow (1966). British Pathe newsreel filmed at Aberfan after a colliery spoil tip slid onto Pantglas Junior School and part of the village on 21 October 1966. [scene](https://loreline.live/loreline/underground/scene/0e226346-01c8-4e29-89c3-dc156ab05342) Source: https://www.youtube.com/watch?v=1lzJLww3DvM
- **1966**, Cornish tin mining at Camborne (1966). Newsreel following miners into the cage at Camborne, then through the winding gear and ore dressing floors above ground. [scene](https://loreline.live/loreline/underground/scene/bf627565-c4e5-41c4-9185-007cd3920304) Source: https://www.youtube.com/watch?v=sVz4jUjuKeY
### 1970
- **1970**, How Plate Tectonics Was Discovered. A 1970 documentary laying out the evidence that convinced geologists to adopt plate tectonics as the unifying theory of Earth. [scene](https://loreline.live/loreline/underground/scene/89d10b78-4984-41a6-b174-1f27f110aa06) Source: https://www.youtube.com/watch?v=rY9IL1F9aj8
- **1970-10-28**, Britain: revival of tin mining (1970). Agency newsreel on the attempted revival of Cornish tin mining, an industry killed less by exhausted lodes than by the tin price slump of 1890 and the Depression. [scene](https://loreline.live/loreline/underground/scene/a244ca44-b365-4af1-b2fc-75936f0aaea0) Source: https://www.youtube.com/watch?v=pKfPppjFWS4
### 1974
- **1974**, American strip mining in Appalachia (1974). Thames Television report on twenty-five years of strip mining across the Appalachian mountains, with whole mountainsides blasted for thin coal seams. [scene](https://loreline.live/loreline/underground/scene/2bec1d7b-3f75-4af1-842b-a68413f00f28) Source: https://www.youtube.com/watch?v=SyFWtzTa1Go
### 1985
- **1985-01-17**, Waverly Person, USGS seismologist. Waverly Person, who for decades headed the US Geological Survey's National Earthquake Information Center and became the public voice explaining earthquakes detected from deep within the Earth. [scene](https://loreline.live/loreline/underground/scene/d92f038a-abe3-4e88-80ee-600576a619b2) Source: https://commons.wikimedia.org/wiki/File:Waverly_Person.jpg
### 1989
- **1989**, SeismographLomaPreitaQuakeSeismologistSmile. Loma Prieta, California, Earthquake October 17, 1989. Menlo Park. Seismographs at the U.S. Geological Survey record the north-south horizontal, east-west horizontal, and vertical components of the ear. [scene](https://loreline.live/loreline/underground/scene/2ad56b87-beda-496d-a878-5f0a6b58a2f1) Source: https://commons.wikimedia.org/wiki/File:SeismographLomaPreitaQuakeSeismologistSmile.jpg
### 1990
- **1990**, South Korean counter-tunnel. A West German engineer inspects a tunnel boring machine inside a South Korean counter-tunnel constructed to eliminate the value of North Korean tunnel No. 4 by intersecting it. Both tunnels are locate. [scene](https://loreline.live/loreline/underground/scene/1400a7c0-bdc1-4f78-a40c-ac6f76ee89ee) Source: https://commons.wikimedia.org/wiki/File:South_Korean_counter-tunnel_(1990).JPEG
### 1995
- **1995**, Gaping Gill: a hundred years of exploration. A 1995 film marking the centenary of Martel's first descent of Gaping Gill in Yorkshire, with Bradford Pothole Club members in period dress. [scene](https://loreline.live/loreline/underground/scene/3ed1a2f0-c3e9-4a92-89b7-99dbc95280c1) Source: https://www.youtube.com/watch?v=MRtFmJ872ZM
### 1998
- **1998-03-06**, Cornwall's last tin mine closes, 1998. BBC Spotlight report filmed underground at South Crofty near Camborne on 6 March 1998, its final day of production. [scene](https://loreline.live/loreline/underground/scene/4140a844-f0b4-426c-acce-2bc2e9db2551) Source: https://www.youtube.com/watch?v=eMlvd4Bn4zw
### 2000
- **2000**, Panel of simple figures with boomerangs - Google Art Project. Photograph showing panel of simple figures with boomerangs - google art project. [scene](https://loreline.live/loreline/underground/scene/b9c64cf7-f3dc-4a89-809e-eae7fe1054d3) Source: https://commons.wikimedia.org/wiki/File:Panel_of_simple_figures_with_boomerangs_-_Google_Art_Project.jpg
- **2000-09-07**, 14 644 Grotta di Nettuno, Höhlensee. Kurz nach dem Eingang, der Höhlensee ist mit dem Meer verbunden. Von rechts fällt durch den Höhleneingang Tageslicht ein. [scene](https://loreline.live/loreline/underground/scene/d603e138-5348-4e3d-ad5c-221293790c28) Source: https://commons.wikimedia.org/wiki/File:14_644_Grotta_di_Nettuno,_H%C3%B6hlensee.jpg
### 2008
- **2008-01-31**, Seismic Imaging of the Earth's Interior. Barbara Romanowicz on using seismic tomography to map the deep structure and dynamics of the planet. [scene](https://loreline.live/loreline/underground/scene/99b3929e-d59c-48ef-ba79-983493aa82e2) Source: https://www.youtube.com/watch?v=ve7N25R2h4c
- **2008-05-20**, Aven Armand 6. Aven Armand cave. Pictures were taken without flash, and the lighting is the one which can be seen today by any visitor. The first picture features the grande stalagmite, the highest known stalagmite. [scene](https://loreline.live/loreline/underground/scene/3bc48b32-24c8-440d-9af5-3972e2ea0fb8) Source: https://commons.wikimedia.org/wiki/File:Aven_Armand_6.jpg
- **2008-07-06**, Bronsalderslik. Borum Eshøj Man of the Nordic Bronze Age at National Museum of Copenhagen, Denmark. [scene](https://loreline.live/loreline/underground/scene/f088cb82-a432-408c-864d-a7210bcf12a8) Source: https://commons.wikimedia.org/wiki/File:Bronsalderslik.jpg
- **2008-08-08**, Momie Xom Cai. Momie de Xom Cai, Vietnam's History Museum in Ho Chi Minh City. [scene](https://loreline.live/loreline/underground/scene/3097a07b-5537-4033-af8f-81dc7c633a03) Source: https://commons.wikimedia.org/wiki/File:Momie_Xom_Cai.jpg
- **2008-09-06**, GiedraitisMerkelis2. Varniai church, Mummie of Simonas Mykolas Giedraitis, Lithuania. [scene](https://loreline.live/loreline/underground/scene/2b3c4205-448d-4f85-ab5b-2f298f80cd91) Source: https://commons.wikimedia.org/wiki/File:GiedraitisMerkelis2.JPG
- **2008-10-24**, The Cicada Life Cycle. David Attenborough narrates the cicada's years underground feeding on root sap before a synchronised mass emergence. [scene](https://loreline.live/loreline/underground/scene/f9e29aac-629e-4f25-b86c-ba9010aec93e) Source: https://www.youtube.com/watch?v=tjLiWy2nT7U
- **2008-11-12**, Kiger Gorge in the Steens Mountain country. Description/Notes: Kiger Gorge is the only example of glaciation in southeastern Oregon as seen from Rim Rock, far above the floor of the U-shaped valley. Photo is number 3819. Original Collection: Ed. [scene](https://loreline.live/loreline/underground/scene/1aa83bc0-04ae-4364-9fde-dae38e159d3c) Source: https://commons.wikimedia.org/wiki/File:Kiger_Gorge_in_the_Steens_Mountain_country_(3387105277).jpg
- **2008-12-29**, The Terracotta Warriors. National Geographic's short account of the chance discovery of the buried army built to protect China's first emperor. [scene](https://loreline.live/loreline/underground/scene/5c7d2703-1e36-4db7-9f7d-cdcb022a87da) Source: https://www.youtube.com/watch?v=RsUE-ZtcUFg
### 2009
- **2009-02-12**, Mammoth Cave Nat Park banner. "Stalactites and stalagmites inside Mammoth Cave, formed by dripping water.". [scene](https://loreline.live/loreline/underground/scene/81eb3faa-d576-4f1a-8806-8a77ececb94c) Source: https://commons.wikimedia.org/wiki/File:Mammoth_Cave_Nat_Park_banner.jpg
- **2009-05-02**, Earthworms are vital to soil health because they transport nutrients and minerals from bel. This image or file is a work of a United States Department of Agriculture employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image is in t. [scene](https://loreline.live/loreline/underground/scene/c8021a28-453e-4d9f-b520-f22f33877dd9) Source: https://commons.wikimedia.org/wiki/File:Earthworms_are_vital_to_soil_health_because_they_transport_nutrients_and_minerals_from_below_to_the_surface_via_their_waste,_and_their_tunnels_aerate_the_ground._(25111546355).jpg
- **2009-05-22**, Altamira, bison, museum. Bison from the model of the ceiling of Altamira, in the Brno museum Anthropos. Modern photograph of an ancient site. [scene](https://loreline.live/loreline/underground/scene/054f490a-2151-46cf-b380-d9b9ee4cc0eb) Source: https://commons.wikimedia.org/wiki/File:Altamira,_bison,_museum.JPG
- **2009-05-22**, Altamira, bison, museum 02. Bison from the model of the ceiling of Altamira, in the Brno museum Anthropos. Modern photograph of an ancient site. [scene](https://loreline.live/loreline/underground/scene/6e08aa20-5e6e-431b-af2b-111ee0fa8a95) Source: https://commons.wikimedia.org/wiki/File:Altamira,_bison,_museum_02.JPG
- **2009-07-30**, Geologic Carbon Sequestration: Injecting CO2 Underground. A Berkeley Lab public lecture on capturing, compressing and storing carbon dioxide in geological formations. [scene](https://loreline.live/loreline/underground/scene/e9d13459-1598-49f5-b251-40e2004f6df4) Source: https://www.youtube.com/watch?v=1UOLEKpwHIs
- **2009-09-08**, The Dikteon Cave, Crete. The Dikteon Cave on Crete, a limestone cave used as a cult site from the Minoan period and known in Greek myth as a birthplace of Zeus. [scene](https://loreline.live/loreline/underground/scene/0beea13d-7941-4948-9d23-0f3b45c5773f) Source: https://commons.wikimedia.org/wiki/File:Cave_of_Dikti.JPG
- **2009-11-20**, Cave exploration in Borneo. BBC's Expedition Borneo team splits between separate caves in search of bats and snakes. [scene](https://loreline.live/loreline/underground/scene/b23198f5-19ee-4f00-bc50-8faf1242779e) Source: https://www.youtube.com/watch?v=74P4Ni7RoPg
- **2009-12-14**, ORL 33 tab 06 pic 02 Anlegestelle. Photograph showing orl 33 tab 06 pic 02 anlegestelle. Modern photograph of an ancient site. [scene](https://loreline.live/loreline/underground/scene/6f7365e6-5f58-4343-9f8f-27093f638c1b) Source: https://commons.wikimedia.org/wiki/File:ORL_33_tab_06_pic_02_Anlegestelle.jpg
### 2010
- **2010-02-13**, 200 - Grotte de Carlsbad - Février 2010. Panorama of a part of the Big Room cave chamber in Carlsbad Caverns, New Mexico, United States. [scene](https://loreline.live/loreline/underground/scene/e196aaca-9615-4672-b86f-7f7a0cf653e1) Source: https://commons.wikimedia.org/wiki/File:200_-_Grotte_de_Carlsbad_-_F%C3%A9vrier_2010.jpg
- **2010-04-24**, MTS Perforator Tunnelbohrmaschine. 2010 in München. [scene](https://loreline.live/loreline/underground/scene/2a8f7dca-9996-4c56-88ad-e7025ac881bc) Source: https://commons.wikimedia.org/wiki/File:MTS_Perforator_Tunnelbohrmaschine.JPG
- **2010-05-15**, Han Earthquake-detecting Machine Model - 2. Henan Provincial Museum, Zhengzhou. Complete indexed photo collection at WorldHistoryPics.com. [scene](https://loreline.live/loreline/underground/scene/63f2623a-7533-4516-8f1c-9734a4c9adc6) Source: https://commons.wikimedia.org/wiki/File:Han_Earthquake-detecting_Machine_Model_-_2.jpg
- **2010-06-03**, Wieliczka salt mine (UNESCO). UNESCO record of the Wieliczka-Bochnia rock salt deposit, mined since the thirteenth century and holding 300km of galleries over nine levels. [scene](https://loreline.live/loreline/underground/scene/1e8c0030-f8fd-4765-b38b-e93266aa3601) Source: https://www.youtube.com/watch?v=ClV1As9GYdw
- **2010-06-04**, A cave rescue rope pickoff demonstrated. Phil of British Columbia Cave Rescue demonstrates a single rope technique pickoff, the manoeuvre used to reach a casualty stranded on a rope. [scene](https://loreline.live/loreline/underground/scene/72998b09-8066-48bc-88c3-06edb794abb3) Source: https://www.youtube.com/watch?v=zCoXEux7S80
- **2010**, Soil Survey. A worm on a sample from the Btg horizon of a Ciales soil in El Yunque National Forest, PR. Macro-organisms, such as this earthworm, can dramatically alter soil structure, water movement, nutrient dyna. [scene](https://loreline.live/loreline/underground/scene/738c56aa-0ec4-428b-991f-3b7f52ef1051) Source: https://commons.wikimedia.org/wiki/File:Soil_Survey_(20100410-SR-NRCS-001).jpg
- **2010**, Cave paintings at Ana Kai Tangata [scene](https://loreline.live/loreline/underground/scene/4f064d71-ec33-40eb-946c-bbe4a37d9526) Source: https://commons.wikimedia.org/wiki/File:Cave_paintings_at_Ana_Kai_Tangata.jpg
- **2010-06-30**, Ice Cave - Southern Alps. Original Collection: Visual Instruction Department Lantern Slides Item Number: P217:set 039 054 You can find this image by searching for the item number by clicking here. Want more? You can find more. [scene](https://loreline.live/loreline/underground/scene/1e3f57d2-986f-44a4-8929-f1109bf0a25b) Source: https://commons.wikimedia.org/wiki/File:Ice_Cave_-_Southern_Alps_(4750367820).jpg
- **2010-08-27**, Video tour of the trapped Chilean miners' refuge. Footage released in August 2010 showing the 33 men and the shelter where they were confined after the San Jose copper mine collapsed three weeks earlier. [scene](https://loreline.live/loreline/underground/scene/d9207669-a75a-4b12-9bd9-217da6f3b02e) Source: https://www.youtube.com/watch?v=A3moxr_E7aA
- **2010-10-12**, The first Chilean miner is rescued. Florencio Avalos steps from the rescue capsule as the operation to lift the 33 men from the San Jose mine begins. [scene](https://loreline.live/loreline/underground/scene/1586ca51-bccf-4c97-ab8b-2a7d36abe493) Source: https://www.youtube.com/watch?v=GR8mTntp5Jw
- **2010-10-13**, The last trapped Chilean miner is rescued. Raw agency footage of 13 October 2010, when the last of the 33 men was raised, ending the longest underground entrapment on record. [scene](https://loreline.live/loreline/underground/scene/9c4fa073-a3f8-49bd-9d1c-bb95f02e7c1c) Source: https://www.youtube.com/watch?v=lr-D7bn-5pI
### 2011
- **2011-02-19**, Ancient cave - home in Horvat Anim. Surrounding the synagogue there was a village comprised of caves used as homes in the 3-4 C CE. Modern photograph of an ancient site. [scene](https://loreline.live/loreline/underground/scene/d0191a8d-2779-4282-a66a-2705b68b1931) Source: https://commons.wikimedia.org/wiki/File:Ancient_cave_-_home_in_Horvat_Anim.jpg
- **2011-02-24**, FDT rue Saint-Jacques. Inscription "FDT" on the wall of a restaurant 163bis rue Saint-Jacques, Paris 5th arr. FDT = Fief Des Tombes (=Fief of the graves) is the former name of Catacombes. Modern photograph of an ancient site. [scene](https://loreline.live/loreline/underground/scene/d6e33d4f-b6f7-4ff8-b2ae-13dc97e53ca7) Source: https://commons.wikimedia.org/wiki/File:FDT_rue_Saint-Jacques.jpg
- **2011-03-30**, Inside the BGS Seismology Lab. Dr Brian Baptie introduces the British Geological Survey's earthquake monitoring work from the Edinburgh seismology laboratory. [scene](https://loreline.live/loreline/underground/scene/27a938fe-827d-4f84-9928-8465efea323a) Source: https://www.youtube.com/watch?v=BC0njxu-FM0
- **2011-05-06**, Cave in Rugova Mountain. Great Cave in Rugova Gorge is a rare beauty of the underground terrains in Kosovo. It is estimated that this cave is one of the most attractive natural objects for the conduction of research and touri. [scene](https://loreline.live/loreline/underground/scene/9b7445de-e0e2-4e72-a068-aebf705512ee) Source: https://commons.wikimedia.org/wiki/File:Cave_in_Rugova_Mountain,.JPG
- **2011-05-10**, Werner Herzog on Cave of Forgotten Dreams. The director on filming inside Chauvet, one of the few outsiders granted access to the sealed cave. [scene](https://loreline.live/loreline/underground/scene/50abcee8-8f63-4582-a923-0ad189f1c804) Source: https://www.youtube.com/watch?v=DcjLW1YMhUY
- **2011**, Nz glowworm. Glowworm (Arachnocampa luminosa) in a cave in New Zealand. [scene](https://loreline.live/loreline/underground/scene/37821908-944b-4afc-aa16-56dd9a58b124) Source: https://commons.wikimedia.org/wiki/File:Nz_glowworm.jpeg
- **2011-07-26**, Unearthing the Wood-Wide Web. The Open University on where fungi live in soil and how the plant-fungus network was first investigated. [scene](https://loreline.live/loreline/underground/scene/328ac3aa-484b-4649-8394-ce0363ed6e70) Source: https://www.youtube.com/watch?v=rlOML1hz2XA
- **2011-08-01**, Cradle of Gold: Hiram Bingham and Machu Picchu. Historian Christopher Heaney on Bingham's 1911 expedition and the dispute over the artefacts he removed. [scene](https://loreline.live/loreline/underground/scene/df0cf1bb-304b-4b14-a3e0-985dd20775a0) Source: https://www.youtube.com/watch?v=Gdgw8wyh24I
- **2011-08-24**, Estación sísmica en Timanfaya- Lanzarote- Illas Canarias- Spain-T16. Seismometer, Natural Park of Timamfaya, Lanzarote, Spain. [scene](https://loreline.live/loreline/underground/scene/6be09f48-f6c7-457f-8688-35d016a2dca1) Source: https://commons.wikimedia.org/wiki/File:Estaci%C3%B3n_s%C3%ADsmica_en_Timanfaya-_Lanzarote-_Illas_Canarias-_Spain-T16.jpg
- **2011-11-17**, The Cu Chi tunnel system. A look at the layered tunnel network used against American forces during the Vietnam War. [scene](https://loreline.live/loreline/underground/scene/687f8a57-933f-49b9-8831-125dac770ccd) Source: https://www.youtube.com/watch?v=Wb5BuGQCOkI
### 2012
- **2012-03-14**, Bat white-nose syndrome: a new fungus among us. USGS lecture by Dr David Blehert on the disease first found in a New York cave in 2007, which by 2012 had killed more than five million hibernating bats. [scene](https://loreline.live/loreline/underground/scene/93eee4de-5a08-4501-8d1d-77cc8a5c909b) Source: https://www.youtube.com/watch?v=OPx3ABGTBFM
- **2012-04-11**, Shale Gas, Hydraulic Fracturing and Induced Earthquakes. A USGS public lecture separating the evidence on injection-induced seismicity from the surrounding noise. [scene](https://loreline.live/loreline/underground/scene/f66908dd-3e73-4dd4-8a17-00f3cf88c09a) Source: https://www.youtube.com/watch?v=vb-BNDx2iIQ
- **2012**, A geoscientist intern at Mammoth Cave. A National Park Service photograph of a Geoscientists-in-the-Parks intern at Mammoth Cave National Park, Kentucky, the longest known cave system in the world. [scene](https://loreline.live/loreline/underground/scene/9e768d3c-2632-48b7-a90f-204ff974a69a) Source: https://commons.wikimedia.org/wiki/File:MACA_2012_GIP_Connock_Greg_photo6_(31684011795).jpg
- **2012-06-29**, Induced Seismicity and Shale Gas. Professor Peter Styles of Keele University addresses the Geological Society on earthquakes caused by fracking. [scene](https://loreline.live/loreline/underground/scene/8fc115c1-bee0-413e-844b-340a0df6c36b) Source: https://www.youtube.com/watch?v=ij9uR8vzmKg
- **2012-08-13**, John Thomas Hollings. This mug shot comes from a police identification book believed to be from the 1930s. It was originally found in a junk shop by a member of the public and subsequently donated to Tyne & Wear Archives &. [scene](https://loreline.live/loreline/underground/scene/61b4d565-8f78-4d9b-87c1-81de93f5a2c2) Source: https://commons.wikimedia.org/wiki/File:John_Thomas_Hollings_(7788134068).jpg
- **2012-09-29**, Balve-Reckenhoehle 10. Balve, Reckenhöhle, Detail der Kalksteinformationen, Stalaktiten, Münzen von Besuchern hinterlassen. [scene](https://loreline.live/loreline/underground/scene/9b4d31e2-01ef-4543-8c21-ba9b1cadfff0) Source: https://commons.wikimedia.org/wiki/File:Balve-Reckenhoehle_10.jpg
- **2012-10-08**, Guillermo de Anda: caves of the Maya dead. The underwater archaeologist describes diving remote flooded caves and cenotes in Mexico for traces of Maya ritual use. [scene](https://loreline.live/loreline/underground/scene/14819fb5-3c7f-4414-884c-e6c457204c74) Source: https://www.youtube.com/watch?v=7AcAxSJi0i0
- **2012-11-26**, 12.11.26 TBM breaking out. מכונת TBM פורצת החוצה ממנהרה מספר 1 בקו הרכבת המהיר לירושלים. [scene](https://loreline.live/loreline/underground/scene/ef233500-a1c6-4c37-979a-8179dbdac8ad) Source: https://commons.wikimedia.org/wiki/File:12.11.26_TBM_breaking_out.JPG
### 2013
- **2013-02-04**, Richard III skeleton confirmed authentic. Channel 4 News reports the identification of the Leicester car-park skeleton in February 2013. [scene](https://loreline.live/loreline/underground/scene/720984bd-4c58-4cb9-9482-64ca5f2f0190) Source: https://www.youtube.com/watch?v=-etaxcuJSyo
- **2013-02-06**, Richard III: the scientific outcome. The full 4 February 2013 press conference presenting the DNA, radiocarbon and osteological evidence. [scene](https://loreline.live/loreline/underground/scene/946dd5b1-4c4f-4b9f-ac0e-d2058600c7a0) Source: https://www.youtube.com/watch?v=91R-LkW2x3s
- **2013-02-19**, Faces of Earth: Shaping the Planet. Episode two of the American Geosciences Institute series, going inside tectonic events as earthquakes and volcanoes remake the surface. [scene](https://loreline.live/loreline/underground/scene/5c75a5a5-9fca-4d6f-b337-d0069506efd9) Source: https://www.youtube.com/watch?v=yWezU1P6dM0
- **2013-02-27**, Cave interior: Natural cave habitat. A public-domain photograph of a cave interior showing natural cave habitat. [scene](https://loreline.live/loreline/underground/scene/60e2ab72-fd15-4697-955a-94b20a6a1e7d) Source: https://commons.wikimedia.org/wiki/File:Cave_habitat_natural_cave_habitat.jpg
- **2013-02-27**, Cave interior: Flowing water with low ceiling and many small stalactites. A public-domain photograph of a cave interior showing flowing water with low ceiling and many small stalactites. [scene](https://loreline.live/loreline/underground/scene/8d32e973-2060-42d0-bd59-49d3764b0361) Source: https://commons.wikimedia.org/wiki/File:Cave_interior_flowing_water_with_low_ceiling_and_many_small_stalactites.jpg
- **2013-02-27**, Cave interior: Waterway with arched ceiling and flowing water in channel. A public-domain photograph of a cave interior showing waterway with arched ceiling and flowing water in channel. [scene](https://loreline.live/loreline/underground/scene/af5f69a2-0e49-4c4a-8d06-151396185a69) Source: https://commons.wikimedia.org/wiki/File:Cave_interior_waterway_with_arched_ceiling_and_flowing_water_in_channel.jpg
- **2013-03-05**, The science of sinkholes. USGS geologist Randall Orndorff on how dissolution of soluble rock creates the voids that later collapse into sinkholes. [scene](https://loreline.live/loreline/underground/scene/a4a639f9-22ff-4631-af1b-d46fd6b70e76) Source: https://www.youtube.com/watch?v=wubMuKDGBuk
- **2013-04-16**, The Waitomo caves. Science explainer on the New Zealand cave system where glowworms emit a blue-green light across the roof. [scene](https://loreline.live/loreline/underground/scene/4f23be12-6c9e-4c76-a5c9-bfb95766e52f) Source: https://www.youtube.com/watch?v=n0hV-sD0Slg
- **2013-05-10**, Interior of Bet Debre Sina (Bet Mikael) Rock-Hewn Church - Lalibela - Ethiopia - 01 [scene](https://loreline.live/loreline/underground/scene/2263e09b-412a-4628-902e-330bba9fc3b3) Source: https://commons.wikimedia.org/wiki/File:Interior_of_Bet_Debre_Sina_(Bet_Mikael)_Rock-Hewn_Church_-_Lalibela_-_Ethiopia_-_01_(8724852519).jpg
- **2013-05-10**, Detail of Door of Bet Debre Sina (Bet Mikael) Rock-Hewn Church - Lalibela - Ethiopia - 01 [scene](https://loreline.live/loreline/underground/scene/e518df2a-9875-481e-b35d-f803dfafee5f) Source: https://commons.wikimedia.org/wiki/File:Detail_of_Door_of_Bet_Debre_Sina_(Bet_Mikael)_Rock-Hewn_Church_-_Lalibela_-_Ethiopia_-_01_(8725996220).jpg
- **2013-05-12**, Christian Symbols in Bet Debre Sina Rock-Hewn Church - Lalibela - Ethiopia [scene](https://loreline.live/loreline/underground/scene/0f66c637-e253-4240-86c1-cc709b2107a0) Source: https://commons.wikimedia.org/wiki/File:Christian_Symbols_in_Bet_Debre_Sina_Rock-Hewn_Church_-_Lalibela_-_Ethiopia_(8730998301).jpg
- **2013-05-12**, Interior of Bet Giyorgis Rock-Hewn Church - Lalibela - Ethiopia [scene](https://loreline.live/loreline/underground/scene/367ffda8-d8c4-4f51-921e-36f914fda2ca) Source: https://commons.wikimedia.org/wiki/File:Interior_of_Bet_Giyorgis_Rock-Hewn_Church_-_Lalibela_-_Ethiopia_(8732101526).jpg
- **2013-05-12**, Detail of Facade of Bet Giyorgis Rock-Hewn Church - Lalibela - Ethiopia - 01 [scene](https://loreline.live/loreline/underground/scene/7b53f7db-09aa-4003-846b-4087964716b3) Source: https://commons.wikimedia.org/wiki/File:Detail_of_Facade_of_Bet_Giyorgis_Rock-Hewn_Church_-_Lalibela_-_Ethiopia_-_01_(8732117530).jpg
- **2013-05-24**, Altamira and the Palaeolithic cave art of northern Spain. UNESCO on the seventeen decorated caves inscribed alongside Altamira, listed in 1985. [scene](https://loreline.live/loreline/underground/scene/70189387-fc59-42b9-9dbc-3b220fca0096) Source: https://www.youtube.com/watch?v=qyIfPbn0RDs
- **2013-06-10**, Seismology 101. Caltech's short primer on how seismologists read the waves that pass through the planet. [scene](https://loreline.live/loreline/underground/scene/b7fd6732-c491-4ab6-85fc-223dbb7096b2) Source: https://www.youtube.com/watch?v=6qMluuSiXrk
- **2013-06-22**, Mary Beard: Pompeii - Life and Death in a Roman Town. Classicist Mary Beard's BBC documentary reconstructs everyday Roman life from the evidence buried by Vesuvius. [scene](https://loreline.live/loreline/underground/scene/bded9cc4-4830-43a5-b815-f3ad90227b29) Source: https://www.youtube.com/watch?v=mnIY6AE4m6E
- **2013-07-01**, Earthworm Invaders. Smithsonian ecologist Melissa McCormick on how most earthworms in US soils are non-native and are reshaping American forests. [scene](https://loreline.live/loreline/underground/scene/60f21e34-8a55-4b65-88db-763a2d4e410f) Source: https://www.youtube.com/watch?v=rEVTTam9bRQ
- **2013-07-10**, Soybean field soil structure, black and white. CAPTION: The soil structure in Bill Nelson’s fields in Lake County, S.D., has organic matter (dark, rich color) and live roots extending way down,” says NRCS Conservation Agronomist Eric Barsness, Bro. [scene](https://loreline.live/loreline/underground/scene/2600c3fe-f7c4-47e3-82cf-c036a1a63a3b) Source: https://commons.wikimedia.org/wiki/File:Soybean_Field_with_Healthy_Soil_(B-W)_(9314018857).jpg
- **2013-07-10**, Soybean Field with Healthy Soil. CAPTION: The soil structure in Bill Nelson’s fields in Lake County, S.D., U.S.A, has organic matter (dark, rich color) and live roots extending way down,” says NRCS Conservation Agronomist Eric Barsne. [scene](https://loreline.live/loreline/underground/scene/a6751359-c4ab-4990-b1d1-04f9ad97ffb4) Source: https://commons.wikimedia.org/wiki/File:Soybean_Field_with_Healthy_Soil_(9316804120).jpg
- **2013-07-11**, Acelerógrafo del Laboratorio de Ingenería Sísmica de la Universidad de Costa Rica [scene](https://loreline.live/loreline/underground/scene/def69263-4101-4433-a602-19f8377cce08) Source: https://commons.wikimedia.org/wiki/File:Aceler%C3%B3grafo_del_Laboratorio_de_Ingener%C3%ADa_S%C3%ADsmica_de_la_Universidad_de_Costa_Rica.JPG
- **2013-07-12**, Treasures from the Royal Tombs of Ur. The Penn Museum on the objects Leonard Woolley recovered from the Sumerian royal cemetery in the 1920s. [scene](https://loreline.live/loreline/underground/scene/7fa671b8-0948-490d-b5dd-b8d03bb90c0e) Source: https://www.youtube.com/watch?v=XZS-Hbyupto
- **2013-07-12**, General Seismology. Goran Ekstrom's long-form lecture on seismology as the discipline that reads Earth's interior. [scene](https://loreline.live/loreline/underground/scene/dae8a362-b14a-4834-8f59-47f2e8482078) Source: https://www.youtube.com/watch?v=2wiV0Ow5oT0
- **2013-08-19**, Copper mining and smelting at Bingham Canyon. Mid-twentieth-century industrial film showing how ore was won and processed at the Bingham Canyon copper mine in Utah. [scene](https://loreline.live/loreline/underground/scene/eebfc198-0872-4b3b-87e8-e38de60edb87) Source: https://www.youtube.com/watch?v=x9uxwtTTkj0
- **2013-09-27**, Martel's first exploration of the Gouffre de Padirac, 1889. Extract from Bernd Kliebhan's Arte film on Edouard-Alfred Martel's underground explorations, covering his 1889 descent into Padirac. [scene](https://loreline.live/loreline/underground/scene/f5039a02-0e0a-450a-9858-0b3fc457b307) Source: https://www.youtube.com/watch?v=rrv8-Ln-0Rw
- **2013-10-14**, Senghenydd colliery disaster: 100 years on. Channel 4 News reports from Senghenydd in south Wales, where 439 men died in 1913 in Britain's worst mining disaster. [scene](https://loreline.live/loreline/underground/scene/61436be0-baca-4e97-acce-1e73416929da) Source: https://www.youtube.com/watch?v=yy72FYqG5Is
### 2014
- **2014-03-26**, Yes, Yellowstone Is a Volcano. The Scientist-in-Charge of the Yellowstone Volcano Observatory explains how the volcanic system beneath the park is known and monitored. [scene](https://loreline.live/loreline/underground/scene/7acf5411-4c4c-4a87-9085-c768ef1d34c5) Source: https://www.youtube.com/watch?v=-GRJK0k1sBw
- **2014-04-02**, What Is Groundwater?. KQED's animated primer on where groundwater sits underground, where it comes from and where it goes. [scene](https://loreline.live/loreline/underground/scene/0a215123-9fb3-48df-9000-8407cc3cfea1) Source: https://www.youtube.com/watch?v=oNWAerr_xEE
- **2014-04-10**, A Close-Up of the Creatures Living Beneath the Soil. BBC microphotography of the mites, springtails and worms in a handful of soil. [scene](https://loreline.live/loreline/underground/scene/73dfd57f-ae95-4eef-8fdf-428709727e3a) Source: https://www.youtube.com/watch?v=gYXoXiQ3vC0
- **2014-04-17**, Tesoro 2014-04-17 17-12-14. Cueva del Tesoro Karst en Yeso de Sorbas Sorbas (Almería). [scene](https://loreline.live/loreline/underground/scene/15e93708-15c5-4283-af68-e62acd3a6f99) Source: https://commons.wikimedia.org/wiki/File:Tesoro_2014-04-17_17-12-14_(13920504009).jpg
- **2014-04-17**, Tesoro 2014-04-17 17-09-14. Cueva del Tesoro Karst en Yeso de Sorbas Sorbas (Almería). [scene](https://loreline.live/loreline/underground/scene/bc2a317d-91eb-4aae-9edf-0606b2d27a9a) Source: https://commons.wikimedia.org/wiki/File:Tesoro_2014-04-17_17-09-14_(14084019896).jpg
- **2014-04-24**, What does healthy soil look like? Photos from Davison County, SD photo 1 of 2. Heidi Rients, District Conservationist with the USDA Natural Resources Conservation Service (NRCS), Mitchell, SD serving Davison and Hanson Counties, was on a field visit April 24, 2014. Heidi and Soi. [scene](https://loreline.live/loreline/underground/scene/d8ddb74c-9e0c-4e15-b6fc-dbccc5a0f614) Source: https://commons.wikimedia.org/wiki/File:What_does_healthy_soil_look_like%3F_Photos_from_Davison_County,_SD_photo_1_of_2_(13902666248).jpg
- **2014-05-01**, Samizdat, civil disobedience and the Helsinki process. Gabor Demszky at the Library of Congress on the underground press and the subculture around it. [scene](https://loreline.live/loreline/underground/scene/bb6b4ba3-9313-469e-bcd7-c0241a45d7d4) Source: https://www.youtube.com/watch?v=LKeTbuiHqNM
- **2014-05-05**, What the Deepest Hole in the World Taught Us. SciShow explains who drilled the Kola borehole, why, and what the rock cores actually revealed about the crust. [scene](https://loreline.live/loreline/underground/scene/d6220245-3cc2-44bb-bfbf-0a6d0281625e) Source: https://www.youtube.com/watch?v=zz6v6OfoQvs
- **2014-06-12**, Konglomerathöhle Rohrendorf PLDC0113. This media shows the natural monument in Lower Austria with the ID KR-069. [scene](https://loreline.live/loreline/underground/scene/e4565cbf-56db-44e6-aec7-67176da558f5) Source: https://commons.wikimedia.org/wiki/File:Konglomerath%C3%B6hle_Rohrendorf_PLDC0113.jpg
- **2014-06-19**, Earthworm in a No-till Field near Brookings, SD. Photo shows an earthworm on the soil surface in a no-till field near Brookings, SD. The soil is in good condition although several heavy rains during June 2014 had saturated the field which the farmer. [scene](https://loreline.live/loreline/underground/scene/ee4e3a45-48b2-4801-a13e-b776d3140c7f) Source: https://commons.wikimedia.org/wiki/File:Earthworm_in_a_No-till_Field_near_Brookings,_SD_(14366341997).jpg
- **2014-06-24**, CMG-40T Triaxial Broadband Seismometer. Triaxial Broadband Seismometer model CMG-40T by Güralp Systems Limited at Weston Observatory in Massachusetts, USA. [scene](https://loreline.live/loreline/underground/scene/a58d2813-41f6-46a4-8185-4c05c9c02f20) Source: https://commons.wikimedia.org/wiki/File:CMG-40T_Triaxial_Broadband_Seismometer.JPG
- **2014-06-24**, Instruments for Students at Weston Observatory. Seismometer and other instruments for science education and public outreach. [scene](https://loreline.live/loreline/underground/scene/d752d388-578d-4c0c-b826-9170cdf8a445) Source: https://commons.wikimedia.org/wiki/File:Instruments_for_Students_at_Weston_Observatory.JPG
- **2014-09-26**, Robert Christiansen on Half a Century of Yellowstone Geology. The USGS emeritus geologist whose mapping revealed the scale of the Yellowstone caldera describes his career from the 1960s onward. [scene](https://loreline.live/loreline/underground/scene/c2fa775b-2314-4727-beec-f3ab4a21a203) Source: https://www.youtube.com/watch?v=DLFNgVzaeSI
- **2014-10-06**, The Catacomb of Priscilla, Rome. Smarthistory reads the painting programme of a late 2nd to 4th century Christian catacomb. [scene](https://loreline.live/loreline/underground/scene/bb8d9029-b935-413c-a67d-26372ab5b184) Source: https://www.youtube.com/watch?v=z_5AAk1jABI
- **2014-10-29**, Europe's oldest known cave paintings. Brian Cox visits the earliest dated painted caves in Europe for Human Universe. [scene](https://loreline.live/loreline/underground/scene/88e9c5ea-a418-4d2f-8340-24c4cb1e8a83) Source: https://www.youtube.com/watch?v=74woCKzVEIc
- **2014-11-03**, Mexico's giant crystal cave explained. How the chemistry of the Naica cave produced the world's largest crystals in an environment survivable only for minutes. [scene](https://loreline.live/loreline/underground/scene/991bfb1b-08ea-42e1-a7e5-a3e8dd25276c) Source: https://www.youtube.com/watch?v=O7yfx0ejELg
- **2014-11-29**, Big Four Ice Caves. Mt. Baker-Snoqualmie National Forest, North Cascade Mountains, Washing. A hiker scrambles near the waterfall at the far end of the Big Four ice caves. Please note that the Forest Service strongly discourages or bars hikers from entering the caves due to the ever-present h. [scene](https://loreline.live/loreline/underground/scene/b23a0488-a5cf-470f-97be-3696290c0e50) Source: https://commons.wikimedia.org/wiki/File:Big_Four_Ice_Caves._Mt._Baker-Snoqualmie_National_Forest,_North_Cascade_Mountains,_Washington.JPG
### 2015
- **2015-02-04**, Disappearing ground: karst, sinkholes and caves. Museum lecture by Arkansas master naturalist Denis Dean on the karst underground of the Ozarks, recorded January 2015. [scene](https://loreline.live/loreline/underground/scene/16ee07f3-4a88-4e58-af30-f976de5d8b9b) Source: https://www.youtube.com/watch?v=hdinLWUixYE
- **2015-02-07**, The Layers of the Earth and Who Found Them. IRIS on how crust, mantle and core were each identified, and the difference between crust and tectonic plate. [scene](https://loreline.live/loreline/underground/scene/099dc661-1678-412e-b021-a4c93cb49f08) Source: https://www.youtube.com/watch?v=UD7GHzIRI-s
- **2015-02-16**, Marion Steam Shovel Co.. Persistent URL: contentdm.lib.miamioh.edu/cdm/compoundobject/collection/p... Subject: machinery industry; industrial facilities; factories; steam shovels; Ohio--Marion; miami digital collections; bowd. [scene](https://loreline.live/loreline/underground/scene/2be0ea73-7fbc-4e44-a17e-aa76f2b68319) Source: https://commons.wikimedia.org/wiki/File:Marion_Steam_Shovel_Co._(16792729760).jpg
- **2015-02-16**, Marion Steam Shovel Co. Plant. Persistent URL: contentdm.lib.miamioh.edu/cdm/compoundobject/collection/p... Subject: machinery industry; industrial facilities; factories; steam shovels; Ohio--Marion; miami digital collections; bowd. [scene](https://loreline.live/loreline/underground/scene/cf505201-e4a8-479b-bf2a-dc253104cab9) Source: https://commons.wikimedia.org/wiki/File:Marion_Steam_Shovel_Co._Plant_(16357822494).jpg
- **2015-03-06**, The moment the remains were found. Archaeologist Mathew Morris uncovers a human leg bone on day one of the Leicester dig. [scene](https://loreline.live/loreline/underground/scene/44951278-6519-47cf-9ecd-318b3ac63a60) Source: https://www.youtube.com/watch?v=iSh1eW7V7KQ
- **2015-04-24**, Preserving the prehistoric art of Chauvet. The Ardeche cave holds some of the oldest known drawings and has been sealed since its discovery to protect them. [scene](https://loreline.live/loreline/underground/scene/5cb8ba4b-e3b6-49d5-a848-e48cc5cd4827) Source: https://www.youtube.com/watch?v=3OLaNtKoJFk
- **2015-05-06**, Buried alive: the Chile mine rescue. On 5 August 2010 the entire day shift at the San Jose copper and gold mine went missing; for seventeen days nobody knew whether they were alive. [scene](https://loreline.live/loreline/underground/scene/51f7a72b-e6b3-406e-b57c-d6c44e049f63) Source: https://www.youtube.com/watch?v=Tv8unnxymUs
- **2015-05-15**, Richard III: one of the great archaeological discoveries. The University of Leicester on the 2012 Greyfriars dig that located the king's grave beneath a council car park. [scene](https://loreline.live/loreline/underground/scene/3d0f9b0f-86d2-4bcd-8be9-4855aa99ea29) Source: https://www.youtube.com/watch?v=MOra3AzAy9c
- **2015-05-15**, Leicester announces the remains are Richard III. The university's announcement of the identification of the skeleton from the Greyfriars trench. [scene](https://loreline.live/loreline/underground/scene/74f876ac-3e8f-4042-abc4-70d1549c9c53) Source: https://www.youtube.com/watch?v=WBmt_jXQy9I
- **2015-05-29**, 2015 Jaskinia Niedźwiedzia w Kletnie, szata naciekowa 04. This is a photograph of a Natura 2000 protected area with ID. [scene](https://loreline.live/loreline/underground/scene/07433857-ce11-4f27-883c-3c4b89da05ca) Source: https://commons.wikimedia.org/wiki/File:2015_Jaskinia_Nied%C5%BAwiedzia_w_Kletnie,_szata_naciekowa_04.jpg
- **2015-06-01**, The Bats That Survived a Killer Fungus. By 2015 white-nose syndrome had spread to 26 US states and five Canadian provinces; researchers examine the hibernating colonies that came through it. [scene](https://loreline.live/loreline/underground/scene/6ba152e9-e1c0-4278-9e51-fb9a58b68ea1) Source: https://www.youtube.com/watch?v=Dn09SjDKhds
- **2015-06-09**, Ask a geologist: what is karst?. Illinois State Geological Survey geologist Sam Panno on karst terrain, sinkholes and cave development. [scene](https://loreline.live/loreline/underground/scene/b8051895-aaea-4b1b-869d-6c3d7ddf6b9a) Source: https://www.youtube.com/watch?v=lec7kHTOBAs
- **2015-06-23**, Apex of Tabon Cave. I am not allowed to describe what it is as it may be original research. [scene](https://loreline.live/loreline/underground/scene/cc9bb2d8-7d59-4893-b419-c5f8400f4890) Source: https://commons.wikimedia.org/wiki/File:Apex_of_Tabon_Cave.JPG
- **2015-06-29**, Earthworm Enjoying Food Supply in Farm Habitat. Sometimes, a great photo is simply being in the right place at the right time! On this early morning in late June 2015, Heidi Rients, District Conservationist with the USDA Natural Resources Conservat. [scene](https://loreline.live/loreline/underground/scene/6d3914ae-c999-490f-8828-0f2f6698aa91) Source: https://commons.wikimedia.org/wiki/File:Earthworm_Enjoying_Food_Supply_in_Farm_Habitat_(20868595024).jpg
- **2015-06-30**, Residents of the catacombs of Paris. There are approximately 6 million residents of the catacombs of Paris. Remains were moved here starting in the late 1700s after cemeteries within the city walls were filled. Modern photograph of an ancient site. [scene](https://loreline.live/loreline/underground/scene/d9a6d86d-7e45-42b4-857a-92c207488994) Source: https://commons.wikimedia.org/wiki/File:Residents_of_the_catacombs_of_Paris_(20059635645).jpg
- **2015-07-16**, Gotthard Base Tunnel breakthrough. The tunnel-boring contractor's record of the 2010 and 2011 breakthroughs in the eastern and western bores. [scene](https://loreline.live/loreline/underground/scene/8d0a3228-e106-473d-9d94-33e8a7cdec06) Source: https://www.youtube.com/watch?v=5807vg7xsg4
- **2015-07-30**, Monks in an ancient Judean Desert monastery. AP footage from the cliff monastery on the Mount of Temptation, cut into rock above Jericho. [scene](https://loreline.live/loreline/underground/scene/544dced9-5eff-4efc-9632-fbc331c63b5d) Source: https://www.youtube.com/watch?v=cLyWR7eUlfM
- **2015-10-23**, 59 optical electromagnetic seismograph-1. Japan Meteorological Agency 59 Formula optical electromagnetic seismometer. [scene](https://loreline.live/loreline/underground/scene/270ba2af-348d-419d-bc7f-4048cf8dddb3) Source: https://commons.wikimedia.org/wiki/File:59_optical_electromagnetic_seismograph-1.jpg
- **2015-10-23**, 59 optical electromagnetic seismograph-0. Japan Meteorological Agency 59 Formula optical electromagnetic seismometer. [scene](https://loreline.live/loreline/underground/scene/af019df9-f5c7-4ea9-a70c-c5d493253614) Source: https://commons.wikimedia.org/wiki/File:59_optical_electromagnetic_seismograph-0.jpg
- **2015-12-06**, Castellana's caves wolf. Castellana's caves are some of the longest and biggest caves in Puglia. Their length is about 3400 metres and only 1500 metres are available to tourists. Castellana's caves are rich in concretions suc. [scene](https://loreline.live/loreline/underground/scene/5666dc8a-a4a7-4f16-bce4-9fdf7841a17b) Source: https://commons.wikimedia.org/wiki/File:Castellana%27s_caves_wolf.jpg
### 2016
- **2016-01-13**, The coal town system. American Experience on the company towns West Virginia coal operators built for their miners, unincorporated and policed by private detective agencies. [scene](https://loreline.live/loreline/underground/scene/a2ff74e1-0b07-41ca-881a-769bc0f02ace) Source: https://www.youtube.com/watch?v=F7AOWLOOT-U
- **2016-02-05**, The Maya underworld. Diving the Yucatan cenotes used by pre-Columbian Maya for offerings and human sacrifice. [scene](https://loreline.live/loreline/underground/scene/6afdddaa-64bb-45e6-856c-85fbde5164cb) Source: https://www.youtube.com/watch?v=UyqFnr6K7b0
- **2016-02-08**, Jill Heinerth: the mysterious world of underwater caves. The cave diver describes working with biologists, climatologists and archaeologists in flooded systems few people will ever see. [scene](https://loreline.live/loreline/underground/scene/8bae6e90-fdcc-4c3d-b657-ea05bc7b8ef5) Source: https://www.youtube.com/watch?v=O3a9AYu5SUQ
- **2016-04-05**, Exploring Iceland's lava tubes. Natural History Museum scientists use Icelandic lava tubes as analogues for volcanic terrain on Mars. [scene](https://loreline.live/loreline/underground/scene/ba7c31e2-9392-4c99-8b80-f5a771142afb) Source: https://www.youtube.com/watch?v=zaDDO2HYVT0
- **2016-04-26**, Wara Kalap: caving exploration in Papua New Guinea. A team pushes into the rainforest of Papua New Guinea looking for giant caves and the underground rivers that resurge along the Solomon Sea. [scene](https://loreline.live/loreline/underground/scene/eceffd78-b742-45ea-8e5a-f01211cbe5cb) Source: https://www.youtube.com/watch?v=C19AVhOx8bs
- **2016-05-12**, Vermiculations on cave passage ceiling (Skyline Caverns, Front Royal, Virginia, USA). Vermiculations on a cave passage ceiling in Virginia, USA. Vermiculations are relatively small, worm-like structures composed of fine-grained sediments that occur on some cave ceilings and walls. Thes. [scene](https://loreline.live/loreline/underground/scene/809c875d-391f-442a-8ce8-1ebc27f89cd4) Source: https://commons.wikimedia.org/wiki/File:Vermiculations_on_cave_passage_ceiling_(Skyline_Caverns,_Front_Royal,_Virginia,_USA)_(27747505012).jpg
- **2016-05-12**, Inside the world's longest sea caves. Geologist Nicolas Barth, studying active faults on New Zealand's South Island, climbed down a cliff and found what is reckoned the longest sea cave in the world. [scene](https://loreline.live/loreline/underground/scene/9f607801-0f38-488b-9263-32e12f2d389d) Source: https://www.youtube.com/watch?v=6CsIvI84TfA
- **2016-05-12**, Spongy chert mass (Skyline Caverns, Front Royal, Virginia, USA) 1. Chert mass in a cave in Virginia, USA. Skyline Caverns is developed in structurally tilted carbonates (mixed dolostones and limestones) of the Rockdale Run Formation (Beekmantown Group, Lower Ordovici. [scene](https://loreline.live/loreline/underground/scene/b4f59930-8265-4fe0-9820-4fdadf286056) Source: https://commons.wikimedia.org/wiki/File:Spongy_chert_mass_(Skyline_Caverns,_Front_Royal,_Virginia,_USA)_1_(27809192731).jpg
- **2016-05-16**, Weird Places: Movile Cave. In 1986 a Romanian prospecting crew for a geothermal plant accidentally broke into a cave sealed for millennia, whose ecosystem runs on chemosynthesis rather than sunlight. [scene](https://loreline.live/loreline/underground/scene/8bf34863-d00b-463e-876f-a3c8f118ff0b) Source: https://www.youtube.com/watch?v=xrzExz9ZqSI
- **2016-05-17**, Going underground: the Wieliczka salt mine. DW report on the mine, inscribed by UNESCO in 1978 and now one of Poland's most visited sites. [scene](https://loreline.live/loreline/underground/scene/62a3a99e-abcd-49fd-b693-ec190267f11e) Source: https://www.youtube.com/watch?v=WQxjcgTn9tw
- **2016-05-27**, The Gotthard Base Tunnel: research and technology. Swiss public broadcaster SRF follows the chief engineers through the final decisive tests before opening. [scene](https://loreline.live/loreline/underground/scene/aea32a06-c34e-4e59-b5ff-17609643bbb9) Source: https://www.youtube.com/watch?v=tyyuSf2gEyQ
- **2016-06-12**, Jill Heinerth becomes explorer in residence. Heinerth's acceptance speech on being appointed the first Explorer in Residence of the Royal Canadian Geographical Society, World Oceans Day 2016. [scene](https://loreline.live/loreline/underground/scene/48f4c93d-c498-4da6-b04a-c3a527c63fc1) Source: https://www.youtube.com/watch?v=x0LEIrhnmKE
- **2016**, Soil Health. Jason Degenhardt, right, and NRCS soil health specialist Aaron Hird examine a soil sample for structure and for earthworms. Degenhardt is using no-till, cover crops and diverse rotations to improve so. [scene](https://loreline.live/loreline/underground/scene/60c5ccd1-56fa-4e31-87ab-10e2db815a5d) Source: https://commons.wikimedia.org/wiki/File:Soil_Health_(20220420-NRCS-UNK-009).jpg
- **2016**, Examining a soil core for earthworms. Diverse species and planned grazing are significantly improving soil health indicated by increased organic matter and earthworms. The improvement in soil health is also adding to the production capaci. [scene](https://loreline.live/loreline/underground/scene/b78b2c88-3326-4b8c-be33-66df203abc03) Source: https://commons.wikimedia.org/wiki/File:Soil_Health_(20220420-NRCS-UNK-019).jpg
- **2016**, MACA-RainbowDome (cbe5553b-1dd8-b71b-0b44-354eda72e28a). MACA-RainbowDome Keywords: nps centennial; maca. [scene](https://loreline.live/loreline/underground/scene/077daef8-2f92-4446-b8b8-3e3126015019) Source: https://commons.wikimedia.org/wiki/File:MACA-RainbowDome_(cbe5553b-1dd8-b71b-0b44-354eda72e28a).jpg
- **2016-07-12**, Good Vibrations Inside the Earth. A Caltech lecture on reading the planet's interior from the vibrations that pass through it. [scene](https://loreline.live/loreline/underground/scene/7a588062-65aa-49c5-8d4c-0193beea578a) Source: https://www.youtube.com/watch?v=Kp4LX38eOJ8
- **2016-08-09**, What Blind Cavefish Reveal About Evolution. Ichthyologist Prosanta Chakrabarty on hunting new cave-fish species and what their loss of eyes tells us about how evolution works. [scene](https://loreline.live/loreline/underground/scene/b2753f99-afdf-4c09-a734-5ad56121d935) Source: https://www.youtube.com/watch?v=Sd7lvPpDDUg
- **2016-08-30**, How Trees Talk to Each Other. Suzanne Simard's own account of thirty years of research in Canadian forests, the talk that carried the mother-tree idea to a mass audience. [scene](https://loreline.live/loreline/underground/scene/ceffe449-17a5-40c5-9189-3c848d44928f) Source: https://www.youtube.com/watch?v=Un2yBgIAxYs
- **2016-10-18**, The glowworm caves of New Zealand in 360 degrees. National Geographic films the carnivorous larvae whose bioluminescence lights the ceilings of the Waitomo caves. [scene](https://loreline.live/loreline/underground/scene/89cbc9fc-5d17-4b95-9c28-10a4fbb7a95b) Source: https://www.youtube.com/watch?v=QjqGlLVIAtg
- **2016-10-18**, Aberfan: fifty years since the disaster. Channel 4 News returns to Aberfan half a century after an avalanche of coal waste killed more than a hundred children in their classrooms. [scene](https://loreline.live/loreline/underground/scene/b461f049-2d49-42a8-b110-28281e309a37) Source: https://www.youtube.com/watch?v=MVtYZdzjmMQ
- **2016-10-20**, 21 October 1966: the Aberfan disaster. Some 150,000 cubic metres of colliery waste moved off waste tip No. 7; 40,000 cubic metres buried a farm, twenty houses and the school, killing 144 people. [scene](https://loreline.live/loreline/underground/scene/aa7e6ab0-fb77-4401-8cf9-87e814a79906) Source: https://www.youtube.com/watch?v=7HqssT2Py_g
- **2016-10-24**, Survivor: bats against white-nose syndrome. US Fish and Wildlife Service on the small numbers of little brown bats in the Northeast that have survived several winters of exposure to the fungus. [scene](https://loreline.live/loreline/underground/scene/c3feada1-9c78-4976-b275-85cdb5b2271b) Source: https://www.youtube.com/watch?v=8Dlt6lCNfh0
- **2016-10-27**, 27 October 1904: the New York subway opens. A short marker of the first ride on the New York City subway. [scene](https://loreline.live/loreline/underground/scene/c7c185b3-96c1-4ec0-a570-6fa94a80c4a1) Source: https://www.youtube.com/watch?v=CYid2aUG-zQ
- **2016-10-31**, The Egyptian Book of the Dead. The spells written to guide a spirit through the Duat and past the weighing of the heart. [scene](https://loreline.live/loreline/underground/scene/8cd41d22-c236-4098-91f5-bc30ef6be39b) Source: https://www.youtube.com/watch?v=1yv_MXNYbAo
- **2016-11-02**, The oldest human skeleton in the Americas, found underwater. Divers in a 140-foot-deep flooded cave in Mexico recovered a 13,000-year-old complete skeleton, the oldest yet found in the Americas. [scene](https://loreline.live/loreline/underground/scene/8914c3a4-80bd-48e1-b0ed-4824db095731) Source: https://www.youtube.com/watch?v=YhVhrC5XuAc
- **2016-11-23**, Jill Heinerth interviewed at the BSAC diving conference. The cave diver, photographer and filmmaker on underwater exploration, recorded at the British Sub-Aqua Club conference in 2016. [scene](https://loreline.live/loreline/underground/scene/2a466775-4856-462d-9c63-b1466908fabe) Source: https://www.youtube.com/watch?v=vGVpRYD9rKs
- **2016-12-28**, Cave diving on Christmas Island for extreme life. Jill Heinerth and Dr Tom Iliffe dive unexplored flooded caves on Christmas Island, hunting organisms adapted to extreme conditions. [scene](https://loreline.live/loreline/underground/scene/489cd08c-d24e-4824-a70e-fe5e93513f41) Source: https://www.youtube.com/watch?v=GYFaRcFjGGE
### 2017
- **2017-01-06**, Stalagmites record a cave's shaky history. Splitting stalagmites open reveals a layered record of ancient earthquakes and shifts in cave climate. [scene](https://loreline.live/loreline/underground/scene/668b2a95-9da1-491d-8e1e-59f31fb856f3) Source: https://www.youtube.com/watch?v=HN8zTk4vFmM
- **2017-03-31**, Troglobites: Strange Cave Specialists. Planet Earth on cave systems as islands, and the blind salamanders and other troglobites that evolve in that isolation. [scene](https://loreline.live/loreline/underground/scene/90ac0aa5-d1b8-4c46-9fa6-a4911d795e1f) Source: https://www.youtube.com/watch?v=NGtzSd3wFY4
- **2017-04-18**, The cult of Mithras explained. What the archaeology of the mithraea shows about a religion that left almost no texts. [scene](https://loreline.live/loreline/underground/scene/b80b2cc0-3ccf-419c-b72a-737174cdbc97) Source: https://www.youtube.com/watch?v=xlF0gVedODE
- **2017-04-29**, The Terracotta Army: farmers digging a well. BBC News on the March 1974 find near Xi'an, when farmers struck a life-sized clay head and archaeologists were called in. [scene](https://loreline.live/loreline/underground/scene/676bf0aa-4c28-4372-b4a7-6a53268478f1) Source: https://www.youtube.com/watch?v=4c_ADqshdSA
- **2017-05-21**, Buniayu Cave 09. a guide waited while a visitor walked below the natural canopy made of a group of stalactites in Buniayu Cave, West Java, Indonesia. [scene](https://loreline.live/loreline/underground/scene/991159f5-4cb3-4a0d-8f08-c47505ac40c8) Source: https://commons.wikimedia.org/wiki/File:Buniayu_Cave_09.jpg
- **2017-05-31**, Hydrogeology of Springs and Aquifers. A Springs Academy class on how water moves through rock, and how aquifers feed springs at the surface. [scene](https://loreline.live/loreline/underground/scene/b993e798-0c8e-4a44-b033-3ba8ab914d78) Source: https://www.youtube.com/watch?v=0fh_-uDje7A
- **2017-06-23**, Fighting White-Nose Syndrome in Mammoth Cave. Researchers at Mammoth Cave National Park work on the disease threatening the bats that underpin the cave ecosystem. [scene](https://loreline.live/loreline/underground/scene/77bf7a19-edaa-4577-9db4-076cf79aa1de) Source: https://www.youtube.com/watch?v=nnuEqn4InCE
- **2017-06-28**, How sinkholes form. An engineering account of internal erosion, the subsurface process behind both natural and human-triggered sinkholes. [scene](https://loreline.live/loreline/underground/scene/751f42d1-bfb6-4b92-aaa3-96357525e7eb) Source: https://www.youtube.com/watch?v=e-DVIQPqS8E
- **2017-07-05**, Sinkholes: collapsing houses and dissolving rock. Geological Society London Lecture on how limestone, gypsum and salt dissolve at very different rates, and what that means for surface collapse. [scene](https://loreline.live/loreline/underground/scene/3a1ae295-cacb-4028-8f0e-d703b0309d1d) Source: https://www.youtube.com/watch?v=iA8nQYWCHbw
- **2017-07-07**, Ore Deposits 101: Carlin-Type Gold. How the Carlin gold deposits of Nevada formed, from a course on economic geology. [scene](https://loreline.live/loreline/underground/scene/03dec264-067e-4b26-aff4-5d27c1aad9c1) Source: https://www.youtube.com/watch?v=MnrXwiiYObs
- **2017-07-07**, Ore Deposits 101: How Mineral Deposits Form. Opening lecture of a course on economic geology, covering how ore bodies are concentrated in the crust. [scene](https://loreline.live/loreline/underground/scene/2a2124e9-8aa2-4944-bc48-c3de340d0520) Source: https://www.youtube.com/watch?v=e1voF9XxBPQ
- **2017-07-23**, 24 July 1911: Machu Picchu 'rediscovered'. Hiram Bingham reaches the Inca site, built in the 15th century and abandoned by 1572. [scene](https://loreline.live/loreline/underground/scene/0f29029f-80be-4d14-aafd-d3ccca42220b) Source: https://www.youtube.com/watch?v=TmIW1MPUbRY
- **2017-08-03**, The High Plains Aquifer. A hydrogeologist from the Oklahoma Geological Survey on changes in the groundwater resource beneath the High Plains. [scene](https://loreline.live/loreline/underground/scene/6a97bf32-e3e0-4603-857d-34a58a7435a7) Source: https://www.youtube.com/watch?v=ZTdTeMuf438
- **2017-08-17**, The centuries-old cave churches of Turkey. The rock-cut Christian churches of the Goreme valley in Cappadocia, painted directly onto the tuff. [scene](https://loreline.live/loreline/underground/scene/24d1315f-8231-4d2c-af46-e69ef582b11a) Source: https://www.youtube.com/watch?v=YVznCy7xfcY
- **2017-08-24**, Where were the Sutton Hoo treasures during the war?. The gift of the treasure to the British Museum was announced on 23 August 1939, days before war broke out. [scene](https://loreline.live/loreline/underground/scene/d08861ee-8a1d-4f9e-a45f-d912d24aa67b) Source: https://www.youtube.com/watch?v=x-026sRzd6w
- **2017-09-30**, Krubera cave expedition, 2017. The Ukrainian Speleological Association's international team, led by Gennady Samokhin, works the Krubera and Berchilskaya caves in the Orto Balagan valley of Abkhazia. [scene](https://loreline.live/loreline/underground/scene/ab3a29ab-da2d-48c4-b59b-d1eaadfb6fb4) Source: https://www.youtube.com/watch?v=grqYp0ZfDPo
- **2017-10-18**, New finds from the Antikythera wreck. Statues and a mysterious bronze disc recovered by divers returning to the wreck site. [scene](https://loreline.live/loreline/underground/scene/2425f382-291a-44e8-8600-8c589b8a70f5) Source: https://www.youtube.com/watch?v=CF6PAw6Nquo
- **2017-11-07**, Jeff Hungerford - Park geologist deploys a remote nodal seismometer from the boardwalk on. Photograph showing jeff hungerford - park geologist deploys a remote nodal seismometer from the boardwalk on. [scene](https://loreline.live/loreline/underground/scene/7b1c3d21-cc56-4d65-b95f-9270ef07a475) Source: https://commons.wikimedia.org/wiki/File:Jeff_Hungerford_-_Park_geologist_deploys_a_remote_nodal_seismometer_from_the_boardwalk_on_Geyser_Hill_(38401278971).jpg
- **2017-11-14**, A Roman temple under the City of London. The Temple of Mithras, first uncovered in 1954, reopened to the public beneath a modern office block. [scene](https://loreline.live/loreline/underground/scene/47912c83-4f0f-49c1-8c61-b07cfd2c620f) Source: https://www.youtube.com/watch?v=44PQpQm_Rf0
- **2017-11-14**, Arduino based Seismometer. Scientific instrument which is an Arduino based Seismometer motherboard under development, based on 3-axis accelerometer (orange circuit board). [scene](https://loreline.live/loreline/underground/scene/a9906233-e3c0-4c39-88d5-c19ab363604d) Source: https://commons.wikimedia.org/wiki/File:Arduino_based_Seismometer.jpg
- **2017-11-20**, Winifred Frick on White-Nose Syndrome. A bat ecologist explains the fungal disease that began killing hibernating little brown bats in the northeastern US in 2006. [scene](https://loreline.live/loreline/underground/scene/7a73c873-7ae8-4645-9db8-72259326bb66) Source: https://www.youtube.com/watch?v=iUwswVIXxq4
- **2017-12-01**, A 2,400-year-old corpse in remarkable condition. How the chemistry of a Danish bog preserved a murdered Iron Age man's body and face. [scene](https://loreline.live/loreline/underground/scene/b374e9f3-7689-488e-afa6-be78529f905d) Source: https://www.youtube.com/watch?v=k395TQqKq-Y
- **2017-12-06**, The Monongah mine disaster of 1907. An explosion in the Fairmont Coal Company workings at Monongah, West Virginia, on 6 December 1907 killed 361 miners, the worst such disaster in American history. [scene](https://loreline.live/loreline/underground/scene/eddfee91-520d-435e-87ad-2c7bc4c8c60e) Source: https://www.youtube.com/watch?v=AS7N9o78Rso
- **2017-12-25**, Pictogramas mosquera. Pictograms drawn by the Muisca people possibly between IV & XVI, despite being covered by black aerosol, you can still see their shapes and symbols. [scene](https://loreline.live/loreline/underground/scene/176bbb5d-5aa5-49a8-a84a-f4a9330e74cd) Source: https://commons.wikimedia.org/wiki/File:Pictogramas_mosquera.jpg
### 2018
- **2018-01-11**, Orpheus and Eurydice. The myth of the singer who descended into Hades to bring his wife back, and lost her at the threshold. [scene](https://loreline.live/loreline/underground/scene/211e211f-b8c5-4921-bc90-1f45188013e5) Source: https://www.youtube.com/watch?v=RhaepLsP5eg
- **2018-01-17**, World's longest underwater cave found in Mexico. News report on the January 2018 announcement that a roughly 350km flooded system in the Yucatan, holding ancient bones and pottery, is the longest known. [scene](https://loreline.live/loreline/underground/scene/24af5741-e9ce-43ea-bcd3-b8fcd997b1c9) Source: https://www.youtube.com/watch?v=BH81cv7pJZM
- **2018-01-19**, Inside Aldwych, London's abandoned Tube station. A tour of the station opened in 1907 and used as a wartime bomb shelter, closed to passengers since 1994. [scene](https://loreline.live/loreline/underground/scene/a6db0ad7-66d5-45ea-8248-8603dbfd1fec) Source: https://www.youtube.com/watch?v=wfeU-Q8cGBs
- **2018-01-30**, The abandoned part of Charing Cross Underground. The disused Jubilee line platforms beneath a working London station. [scene](https://loreline.live/loreline/underground/scene/2727cb5f-e75b-4b2f-ae8d-c6618e71eb61) Source: https://www.youtube.com/watch?v=VB9HhgDpaco
- **2018-01-30**, Channel Tunnel: three parallel bores. The Institution of Civil Engineers explains the tunnel's two running bores and central service tunnel, opened May 1994. [scene](https://loreline.live/loreline/underground/scene/688587ee-dc73-4366-9371-ec86f7f6dad7) Source: https://www.youtube.com/watch?v=2zu_u0xDSks
- **2018-02-08**, Veryovkina cave to minus 2,204 metres. Expedition film by the Perovo-Speleo team, who in August 2017 reached 2,204 metres below the entrance at the Nautilus sump. [scene](https://loreline.live/loreline/underground/scene/36a8f7c3-3a79-41c6-b68e-b1355b96c412) Source: https://www.youtube.com/watch?v=sdViBwrqa0I
- **2018-02-13**, Bringing caves and karst to light. An education programme on cave ecology, geology, hydrology and conservation, and how the karst underground connects to life on the surface. [scene](https://loreline.live/loreline/underground/scene/d78ba985-851e-4186-afd6-ef6bbd5c2028) Source: https://www.youtube.com/watch?v=2tnAcn2iqOw
- **2018-02-20**, Jumalniemen oletettu kalliomaalaus Kotka. This is a photo of a monument in Finland identified by the ID 'Q11867906' (Q11867906). [scene](https://loreline.live/loreline/underground/scene/cfc0b3ff-b0d5-4c6a-a7bf-3e5319bda0ef) Source: https://commons.wikimedia.org/wiki/File:Jumalniemen_oletettu_kalliomaalaus_Kotka.jpg
- **2018-04-15**, Cave art 101. Who made Palaeolithic cave art, where it survives, and the competing arguments about what it was for. [scene](https://loreline.live/loreline/underground/scene/4357552c-042e-40ca-b6b0-a4710781e013) Source: https://www.youtube.com/watch?v=ZjejoT1gFOc
- **2018-04-19**, How the world's first metro system was built. Transport historian Christian Wolmar on the cut-and-cover construction of London's Metropolitan Railway. [scene](https://loreline.live/loreline/underground/scene/437e74cd-09d3-4f93-9199-1336241818c0) Source: https://www.youtube.com/watch?v=VdZd5zYTKAw
- **2018-05-04**, Coal mining & (...), 9-9-21. Title: Coal mining & \[...\], 9/9/21 Abstract/medium: National Photo Company Collection (Library of Congress) Physical description: 1 negative:. [scene](https://loreline.live/loreline/underground/scene/26bf1d8b-7b7b-497e-bd11-d3671e6929b6) Source: https://commons.wikimedia.org/wiki/File:Coal_mining_%26_(...),_9-9-21_LOC_npcc.05029.jpg
- **2018-05-04**, Coal yard, 12-7-22. Title: Coal yard, 12/7/22 Abstract/medium: National Photo Company Collection (Library of Congress) Physical description: 1 negative:. [scene](https://loreline.live/loreline/underground/scene/27045f5d-4064-4859-85bb-f44b587d0948) Source: https://commons.wikimedia.org/wiki/File:Coal_yard,_12-7-22_LOC_npcc.07477.jpg
- **2018-05-16**, Fifteen Years of GRACE Tracking Freshwater. NASA on the gravity-sensing satellite mission that measured groundwater loss from aquifers worldwide between 2002 and 2016. [scene](https://loreline.live/loreline/underground/scene/78eae165-d825-46f3-a9ca-f029dff2c819) Source: https://www.youtube.com/watch?v=MaxBOvQ2a_o
- **2018-05-29**, Are Naked Mole Rats the Strangest Mammals?. A mammal with the social life of an insect and the cold-bloodedness of a reptile, shaped by permanent life underground. [scene](https://loreline.live/loreline/underground/scene/76ea5baf-ed33-432c-b67e-2fd68d91112f) Source: https://www.youtube.com/watch?v=2sKADUBfdMk
- **2018-07-01**, Cave rescue divers prepare their equipment at Tham Luang. US Air Force photograph of rescue divers preparing dive equipment at Chiang Rai, Thailand, on 2 July 2018, during the operation to reach the twelve boys and their coach trapped in Tham Luang cave. [scene](https://loreline.live/loreline/underground/scene/54d166d8-0fe3-48ed-ae51-35cf045f6407) Source: https://commons.wikimedia.org/wiki/File:4547292_Cave_rescue_divers_prepare_dive_equipment_at_Tham_Luang_cave.jpg
- **2018-07-10**, In too deep: the risk of cave diving. 60 Minutes Australia profiles the Australian cave diver Agnes Milowka and the narrow margins of the discipline. [scene](https://loreline.live/loreline/underground/scene/83f6dd64-47f6-4826-b102-f79f15720099) Source: https://www.youtube.com/watch?v=dDm5raBRiXI
- **2018-07-13**, British divers explain the Tham Luang rescue. Press conference days after the rescue in which the British cave divers describe an operation they call one of the hardest in history. [scene](https://loreline.live/loreline/underground/scene/228b5339-1695-4757-bd2c-9599fac6a21a) Source: https://www.youtube.com/watch?v=52WMEYtpHi0
- **2018-07-17**, Four Corners: inside the Thailand cave rescue. Mark Willacy's report on the international operation, including the Australian cave divers Richard Harris and Craig Challen who sedated the boys for the swim out. [scene](https://loreline.live/loreline/underground/scene/c0af68d0-ac2f-429b-86bb-3a7f216c9780) Source: https://www.youtube.com/watch?v=-esjQLvsgTs
- **2018-07-17**, Rick Stanton on the Thai cave rescue. The Coventry firefighter and cave diver who located the trapped football team gives his account of the search and the extraction. [scene](https://loreline.live/loreline/underground/scene/deb7abc3-d8dc-4826-8767-8c7e7b803f3c) Source: https://www.youtube.com/watch?v=SnXwvyZhm24
- **2018-07-23**, The Earth's Internet: How Fungi Help Plants Communicate. SciShow on the mycorrhizal connections through which plants exchange signals and nutrients over distance. [scene](https://loreline.live/loreline/underground/scene/bbf00d6a-fc32-4a61-bba4-4bfa362d6964) Source: https://www.youtube.com/watch?v=_tjt8WT5mRs
- **2018-08-10**, How do caves form?. An explainer on the dissolution of limestone, karst drainage and the growth of the cave systems that result. [scene](https://loreline.live/loreline/underground/scene/1d7ec2da-3085-4cb5-aec8-77315c790c68) Source: https://www.youtube.com/watch?v=EX0q5I3-HZI
- **2018-08-11**, Colin Boothroyd on the Mulu Caves Project. An overview of the long-running British-Malaysian exploration of the Mulu cave systems in Sarawak. [scene](https://loreline.live/loreline/underground/scene/83b2295c-c686-4c01-b2cc-efa42376c1af) Source: https://www.youtube.com/watch?v=gGyOg878h4o
- **2018-08-13**, Tham Luang cave rescue: against the elements. Documentary made in the weeks after the rescue, unpacking the seventeen days of the operation in northern Thailand. [scene](https://loreline.live/loreline/underground/scene/7a446041-4e19-45a3-aece-8a65aefe8b4d) Source: https://www.youtube.com/watch?v=x_kiX0uUDNI
- **2018-08-24**, The Cold War bunker beneath America's grandest hotel. A 1996 report filmed shortly after the Greenbrier facility was exposed and decommissioned. [scene](https://loreline.live/loreline/underground/scene/9ebdae96-0261-431b-9afa-ba237a13de40) Source: https://www.youtube.com/watch?v=XLLcUZPsmZ4
- **2018-09-23**, Six Animals Extraordinarily Adapted to Cave Life. A survey of troglomorphy: the traits cave animals gain and, more often, lose in permanent darkness. [scene](https://loreline.live/loreline/underground/scene/bb7fb950-0586-4591-b60b-16aee7be2278) Source: https://www.youtube.com/watch?v=sI1pvZZ3Mec
- **2018-10-21**, Baba-mon Kawachi. Baba-mon, the branch rich in speleothems in Kawachi no Kaza-ana. [scene](https://loreline.live/loreline/underground/scene/59d12f3b-ee32-470a-a44b-ce95e8a8af75) Source: https://commons.wikimedia.org/wiki/File:Baba-mon_Kawachi.jpg
- **2018-10-22**, What Is the Moho, and How Was It Found?. IRIS explains the Mohorovicic discontinuity, the crust-mantle boundary recognised from a change in seismic wave velocity. [scene](https://loreline.live/loreline/underground/scene/61087728-0d6b-4844-a812-3351e138006a) Source: https://www.youtube.com/watch?v=omZj4GboJ00
- **2018-10-24**, Inside the Cu Chi tunnels. The 155-mile network outside Ho Chi Minh City, its wartime role and its life today as a visitor site. [scene](https://loreline.live/loreline/underground/scene/4c8de632-55eb-411e-8562-7cb482341d5a) Source: https://www.youtube.com/watch?v=tJ3tsK_jCDs
- **2018-11-25**, Down the Abandoned Gold Mines of Durban Deep. Unreported World follows informal miners descending into the closed workings of a South African gold mine an hour from Johannesburg. [scene](https://loreline.live/loreline/underground/scene/87f78dba-f6f8-4b51-9ef8-85aeda8b948d) Source: https://www.youtube.com/watch?v=WeKO12xwpKA
- **2018-12-04**, Coober Pedy: the town that lives underground. Half the population of this South Australian opal town lives in dugouts cut into the rock. [scene](https://loreline.live/loreline/underground/scene/60fb22c8-5c5c-41d7-9662-389458e1a8ae) Source: https://www.youtube.com/watch?v=ywBwXyF1UuI
- **2018-12-11**, The afterlife and Hel in Norse myth. Old Norse scholar Jackson Crawford on what the sources actually say about Hel, and how translators have distorted it. [scene](https://loreline.live/loreline/underground/scene/4bb660b2-18c0-4f18-9e51-f7342b6b80ac) Source: https://www.youtube.com/watch?v=VMTEFza9U5s
- **2018-12-25**, The Eleusinian Mysteries and the afterlife. Prof. Elizabeth Vandiver on the Homeric Hymn to Demeter and its ritual link to the Eleusinian rites. [scene](https://loreline.live/loreline/underground/scene/e68321b1-1f73-4d5e-8cb7-943cfb2fac46) Source: https://www.youtube.com/watch?v=S9U4A4Ice7M
### 2019
- **2019-02-11**, Icons in Discovery: Inge Lehmann. The American Geophysical Union on Lehmann's 1936 discovery of Earth's solid inner core from seismic shadow-zone arrivals. [scene](https://loreline.live/loreline/underground/scene/640404fa-e255-4e84-a5bd-971e86391214) Source: https://www.youtube.com/watch?v=w2Tj-8FJFeY
- **2019-02-12**, How Naked Mole Rats Survive Without Oxygen. Naked mole rats endure oxygen levels that would kill most mammals, an adaptation to crowded, poorly ventilated burrows. [scene](https://loreline.live/loreline/underground/scene/ae9080a9-e29d-4fcd-842c-794eed809001) Source: https://www.youtube.com/watch?v=znM_ZV1C9z8
- **2019-03-01**, Lava tubes beneath the surface of the Moon. NASA on the network of lunar lava tubes, shielded from solar radiation, that may preserve the record of ancient volcanism. [scene](https://loreline.live/loreline/underground/scene/37ee26fc-e219-4b34-8aa3-c19aa22e3eeb) Source: https://www.youtube.com/watch?v=EJDjyN3ni3U
- **2019-03-15**, Bog body hand, Drents Museum 8951. Left hand with part of the forearm of a bog corpse from an unknown find from the 1920s, possibly from the Southeast Drenthe region of the Netherlands. Exhibited in the Drents Museum, Assen, Netherland. [scene](https://loreline.live/loreline/underground/scene/e302d243-2a37-435e-8230-29e49df756a4) Source: https://commons.wikimedia.org/wiki/File:Bog_body_hand,_Drents_Museum_8951.jpg
- **2019-03-18**, Bazalgette: saviour of the Great Stink. An engineer's tribute to Joseph Bazalgette, whose intercepting sewers ended the 1858 Great Stink. [scene](https://loreline.live/loreline/underground/scene/43679a56-da89-44a5-8e8b-7eada0bb0edc) Source: https://www.youtube.com/watch?v=5k8AnhNkN04
- **2019-03-22**, London's abandoned tube station. The disused Charing Cross Jubilee platforms, now used for emergency-services training and filming. [scene](https://loreline.live/loreline/underground/scene/dc3faa8a-19fe-4e7d-a1c5-01add46c051f) Source: https://www.youtube.com/watch?v=a70SSZbIjO8
- **2019-03-26**, Descend into Australia's underground opal town. Atlas Obscura on the dugout homes, churches and hotels carved beneath Coober Pedy. [scene](https://loreline.live/loreline/underground/scene/4d7a7f60-5f3a-4202-9914-0ad3618bc9b7) Source: https://www.youtube.com/watch?v=pniXiSEoTwM
- **2019-04-04**, Mendenhall Ice Cave 2014 352. Entrance to 2014 Mendenhall Ice Cave, Juneau, Alaska. [scene](https://loreline.live/loreline/underground/scene/f443fd3d-5aad-4936-a2df-5a3292f3bc59) Source: https://commons.wikimedia.org/wiki/File:Mendenhall_Ice_Cave_2014_352.jpg
- **2019-04-09**, Soil organic carbon cycling. Proposed model for soil organic carbon (SOC) cycling showing root carbon (C) inputs as the primary source of both SOC and dissolved organic C (DOC) in most ecosystems. Root-derived C is shown undergoi. [scene](https://loreline.live/loreline/underground/scene/78ba82fa-f172-425c-afcf-b665386942d5) Source: https://commons.wikimedia.org/wiki/File:Soil_organic_carbon_cycling.png
- **2019-04-09**, The 2019 Lechuguilla expedition. Footage from an eight-day expedition surveying leads in the western branch of Lechuguilla Cave, co-led by Derek Bristol and Dan Austin. [scene](https://loreline.live/loreline/underground/scene/7c46afc0-0ef9-4ee1-8a5c-86fe002ef3e9) Source: https://www.youtube.com/watch?v=w5omDvbwJDs
- **2019-04-13**, Sutton Hoo: treasure collected across Europe and Asia. Smarthistory's art-historical reading of the buckles, shoulder-clasps and purse lid from the burial. [scene](https://loreline.live/loreline/underground/scene/8f40d310-cee5-4948-9824-86e5148b952d) Source: https://www.youtube.com/watch?v=jbn9_IKA3ow
- **2019-05-02**, Volcano Plumbing Systems. University of Iceland course module on the network of conduits and reservoirs that feed magma to the surface. [scene](https://loreline.live/loreline/underground/scene/5ab44e55-feee-470c-9fbd-82760f6fad46) Source: https://www.youtube.com/watch?v=JrrK2iPa5RE
- **2019-05-21**, The giant caves of Mulu. The 2019 Anglo-Malaysian expedition films Deer Cave, the Sarawak Chamber and the Clearwater system in Gunung Mulu National Park. [scene](https://loreline.live/loreline/underground/scene/6962e9e2-50ef-4e2d-afb5-53655725eca4) Source: https://www.youtube.com/watch?v=FMvl4bd_HNU
- **2019-05-30**, Reconstructing the Roman mystery religion of Mithras. Roman archaeologist Matthew McCarty on what can and cannot be recovered about Mithraic practice. [scene](https://loreline.live/loreline/underground/scene/4013d27b-6b4c-4cc3-8f32-154befb2c8bc) Source: https://www.youtube.com/watch?v=U0pXXsLt654
- **2019**, A beetle and an earthworm in soil. A beetle and an earthworm photographed in soil by the USDA; both are macro-organisms whose burrowing and feeding aerate the ground and cycle nutrients. [scene](https://loreline.live/loreline/underground/scene/5fd2b112-91ca-46be-9fc5-f5e1c881a581) Source: https://commons.wikimedia.org/wiki/File:A_beetle_and_an_earthworm,_which_are_macro-organisms_that_provide_multiple_beneficial_functions_and_are_indicators_of_good_soil_health_(20190402-SR-NRCS-001).jpg
- **2019-07-16**, The discovery of Lascaux. Prehistorian Thierry Felix tells how four boys found the painted cave in the Dordogne in September 1940. [scene](https://loreline.live/loreline/underground/scene/ea5da1b2-f029-4d14-8486-7a14732f46de) Source: https://www.youtube.com/watch?v=0XPFS2dRqPE
- **2019-08-13**, Vue du porche de la grotte Vallier sur Grenoble. La cuvette grenobloise se détache depuis la grotte Vallier. [scene](https://loreline.live/loreline/underground/scene/6530ef75-de76-4272-8fc1-eab58657be3e) Source: https://commons.wikimedia.org/wiki/File:Vue_du_porche_de_la_grotte_Vallier_sur_Grenoble.jpg
- **2019-08-14**, Making the London Underground's design system. How the Tube's map, typeface and station architecture became a coherent system, and how the network keeps growing. [scene](https://loreline.live/loreline/underground/scene/8a9af288-c8e2-4831-8dbb-3f7201010877) Source: https://www.youtube.com/watch?v=So2HM-VI35w
- **2019-08-15**, PBL Gnezdo. Underground camp Gnezdo (Nest) on the ledge in the Višnevskij cave on Chul-Bair mountain, at a depth of 1049 m. It was erected in August 2019, during the Ekaterinburg speleo club (SGS) and the Assoсia. [scene](https://loreline.live/loreline/underground/scene/b932f34c-df43-4c04-a6d7-93f46e133fa0) Source: https://commons.wikimedia.org/wiki/File:PBL_Gnezdo.jpg
- **2019-08-22**, Cenote: passage to the Maya underworld. Diving the flooded limestone sinkholes the Maya treated as entrances to Xibalba. [scene](https://loreline.live/loreline/underground/scene/b364b3ac-1f6a-4d5e-8991-0b42b91ec896) Source: https://www.youtube.com/watch?v=l01coq2-FRc
- **2019-09-18**, Tunnel construction explained. The methods used to drive tunnels: cut-and-cover, drill-and-blast, immersed tube and boring machines. [scene](https://loreline.live/loreline/underground/scene/8ed74de1-0d9e-4330-b732-124ea2d7444c) Source: https://www.youtube.com/watch?v=qvkytMLBKFc
- **2019-09-30**, Tunnels designed to last 100,000 years. Tom Scott inside Onkalo on Olkiluoto island, the first deep geological repository for high-level waste. [scene](https://loreline.live/loreline/underground/scene/a3fa32e9-b85f-4dd7-ade7-03c96015f428) Source: https://www.youtube.com/watch?v=aoy_WJ3mE50
- **2019-10-13**, Why on Earth Would You Drill Into a Magma Chamber?. A public lecture on the case for drilling directly into magma, a place humans have never reached despite going to the Moon. [scene](https://loreline.live/loreline/underground/scene/420b66fb-f26d-4e68-810e-c5211a6c29b4) Source: https://www.youtube.com/watch?v=IL890spjpTg
- **2019-11-08**, The man who tunnelled under the Berlin Wall. An escape helper recalls digging beneath the death strip to bring East Germans out. [scene](https://loreline.live/loreline/underground/scene/03643675-07a3-4dc0-9740-fa1b41fa6037) Source: https://www.youtube.com/watch?v=ouQ34ae93Ok
- **2019-11-12**, Inside Veryovkina, the deepest known cave on Earth. It took about thirty expeditions over half a century for Russian speleologists to reach 2,212 metres in Veryovkina in Abkhazia. [scene](https://loreline.live/loreline/underground/scene/e5e71c07-8171-4d76-ad71-c71e7bd38459) Source: https://www.youtube.com/watch?v=apSPGHbIHbw
- **2019-11-26**, Life underground in Coober Pedy. BBC Reel on the opal town where 60% of residents live below ground to escape the heat. [scene](https://loreline.live/loreline/underground/scene/2e271de8-e1a1-406b-9904-658905a60fc2) Source: https://www.youtube.com/watch?v=8n9PbHXA6Lo
- **2019-12-19**, The Earth's Mantle Is Nothing Like You Thought. Why the neat layer-cake diagram of Earth's interior is wrong, and what the mantle is actually doing. [scene](https://loreline.live/loreline/underground/scene/f08cac25-1de4-49fd-abd4-3a7111124b0a) Source: https://www.youtube.com/watch?v=RLQpuPqDEfM
### 2020
- **2020-01-10**, Installing a temporary seismometer. Photo (L-R) Jose Cancel of Puerto Rico Seismic Network (PRSN), Alena Leeds of USGS and Javier Santiago of PRSN install a temporary seismometer at Sabana Yeguas in southwestern Puerto Rico on Jan. 10. [scene](https://loreline.live/loreline/underground/scene/c7aa1423-2ca1-4191-8401-9b816c35a939) Source: https://commons.wikimedia.org/wiki/File:Installing_a_temporary_seismometer.jpg
- **2020-01-25**, Reading the Cascadia Subduction Zone in the Landscape. An IRIS animation narrated by Nick Zentner on the surface features that record what the subduction zone is doing at depth. [scene](https://loreline.live/loreline/underground/scene/a534d637-153d-4006-8510-773185059759) Source: https://www.youtube.com/watch?v=tRQmq3t866w
- **2020-01-29**, The Strange Lives of Olm Salamanders. The pale, gilled olms of the caves beneath Predjama Castle in Slovenia, the 'human fish' that live their whole lives underground. [scene](https://loreline.live/loreline/underground/scene/5440e157-e5fc-430d-bb05-20e4630f99ee) Source: https://www.youtube.com/watch?v=1Wg9_iPikks
- **2020-02-17**, Samizdat: the secret printing press. How Soviet citizens built homemade presses to print and circulate banned texts undetected. [scene](https://loreline.live/loreline/underground/scene/e63338f2-8528-4aa5-8edd-6e2098d689df) Source: https://www.youtube.com/watch?v=zTC8vR-VqcI
- **2020-02-28**, Virtual tour inside Chauvet Cave. Google Arts and Culture walkthrough of the Ardeche gorge cave, narrated by Daisy Ridley, showing paintings made 36,000 years ago. [scene](https://loreline.live/loreline/underground/scene/2129d8bd-03e5-4042-a6e6-650b6ccf7c95) Source: https://www.youtube.com/watch?v=htFsh56dKIY
- **2020-03-01**, What's Actually Inside the Earth's Core?. How geophysics established the composition and state of the core without anyone ever reaching through the crust. [scene](https://loreline.live/loreline/underground/scene/862b36e0-a6cf-4f7b-90dd-5ec2a82a4148) Source: https://www.youtube.com/watch?v=tquABLc3Hhs
- **2020-03-30**, How the world's longest underwater tunnel was built. The engineering problems of driving 50km beneath the English Channel. [scene](https://loreline.live/loreline/underground/scene/3f8c2bfb-24f7-4779-a179-c45cf990e88c) Source: https://www.youtube.com/watch?v=qNS2jj2w-GI
- **2020-04-13**, London Underground: how was it built?. Channel 5 on the 1863 Metropolitan line and how it changed urban transport worldwide. [scene](https://loreline.live/loreline/underground/scene/20a4d17c-b502-4432-b02f-487ff09574d8) Source: https://www.youtube.com/watch?v=JMZ7BVrGTcU
- **2020-04-18**, An entire Swedish town is moving because the ground is caving in. Kiruna was founded by miners in 1900; cracks from the expanding excavation now reach the town centre. [scene](https://loreline.live/loreline/underground/scene/e6d0de9f-579d-4b1b-852e-62b26b2baaed) Source: https://www.youtube.com/watch?v=jK-npw0vBv8
- **2020-04-21**, Ask an archaeologist: ground-penetrating radar. UC Berkeley's Scott Byram explains how GPR maps buried structures before a spade goes in. [scene](https://loreline.live/loreline/underground/scene/acfe65d7-469e-4aaa-8e2c-08b0596e9e68) Source: https://www.youtube.com/watch?v=Of4mIG-pVPM
- **2020-04-26**, The 2020 Lechuguilla Voids expedition: travel to camp. The first days of the Barton Voids expedition, from the park entrance to Big Sky camp more than 1,000 feet below the surface. [scene](https://loreline.live/loreline/underground/scene/2e078a1e-6e78-4176-84e1-e968686dee7a) Source: https://www.youtube.com/watch?v=3eZKp0Gv4CI
- **2020-04-27**, Kola Superdeep Borehole: The Deepest Hole Ever Made. A long-form documentary account of the Kola project from its Cold War origins to its abandonment in the 1990s. [scene](https://loreline.live/loreline/underground/scene/96e3d81f-0218-4e60-b48e-4bc0d03f85f8) Source: https://www.youtube.com/watch?v=6Od6PDbl-RQ
- **2020-05-21**, The Ecology and Behavior of Bats. Rachel Page of the Smithsonian Tropical Research Institute's Bat Lab on how bats live, hunt and roost. [scene](https://loreline.live/loreline/underground/scene/2a0dba48-02f5-4eac-9cf5-435d5b5ab96f) Source: https://www.youtube.com/watch?v=D7edf_1Ip3o
- **2020-06-05**, What Are Extremophiles?. The Microbiology Society on organisms living at temperature, pressure and chemical extremes, including deep subsurface and vent habitats. [scene](https://loreline.live/loreline/underground/scene/41e42265-04c6-46eb-85d9-a94e94bba18a) Source: https://www.youtube.com/watch?v=x4Mk7NrLp4k
- **2020-06-11**, The baby olms of Postojna Cave. Postojna Cave in Slovenia presents three of the twenty-one olms (Proteus anguinus) hatched in its aquarium, the blind amphibians long known locally as baby dragons. [scene](https://loreline.live/loreline/underground/scene/0dd5c8e0-c3ae-4e0d-8517-3590776aa29c) Source: https://www.youtube.com/watch?v=7YSVYMCnlds
- **2020-06-15**, Chauvet Cave: Masterworks of the Palaeolithic. Cotsen Institute of Archaeology lecture with Jean-Michel Geneste, curator responsible for the Chauvet-Pont d'Arc cave, on its 36,000-year-old paintings. [scene](https://loreline.live/loreline/underground/scene/97df5f39-7889-4257-87d8-b82ce4ee98a9) Source: https://www.youtube.com/watch?v=l7xn1VQ7pcQ
- **2020-06-15**, Nine centuries of coal (1958 National Coal Board film). A National Coal Board documentary tracing nine hundred years of British coal extraction and the communities built around it. [scene](https://loreline.live/loreline/underground/scene/e2be63fe-6b98-41c8-8b6a-41c48994aca6) Source: https://www.youtube.com/watch?v=nks4ZgSAEGk
- **2020-06-16**, Exploring the Mystery Room of Carlsbad Cavern. National Speleological Society convention presentation on high-adventure exploration in a rarely visited part of Carlsbad Cavern. [scene](https://loreline.live/loreline/underground/scene/7eb55387-09e4-43f9-ad8b-0495f6aaef39) Source: https://www.youtube.com/watch?v=tD7nK_kUWDA
- **2020-06-30**, Breast like Stalactites. It is called "Soso Cave" because of its breast like formations of stalactites. Located at the Municipality of Matuguinao "The Heart of Samar", Western Samar. [scene](https://loreline.live/loreline/underground/scene/4bb6f283-27e0-474c-b59c-13043a37ed55) Source: https://commons.wikimedia.org/wiki/File:Breast_like_Stalactites.jpg
- **2020-07-07**, Lechuguilla Cave beyond 150 miles of passage. Caver John Lyles talks to the Los Alamos Mountaineers about exploring Lechuguilla, the deep gypsum-lined system beneath Carlsbad Caverns National Park. [scene](https://loreline.live/loreline/underground/scene/fbeb3f8f-e0cc-4d26-b49e-4fb9fc169f22) Source: https://www.youtube.com/watch?v=yuXkohzyQ0A
- **2020-07-26**, The Black guides of Mammoth Cave. National Speleological Society talk on the enslaved and later free African American guides who explored and led tours through Mammoth Cave. [scene](https://loreline.live/loreline/underground/scene/e6be30fa-72a4-44ab-b133-35b72dcbd87c) Source: https://www.youtube.com/watch?v=9-ThNLtDb80
- **2020-07-28**, The Mulu caves expedition of 2019. National Speleological Society convention report on the 2019 expedition to Gunung Mulu in Sarawak, home to some of the largest known cave chambers. [scene](https://loreline.live/loreline/underground/scene/fa8d3bbd-4ab9-4579-86ca-9f029deeedb1) Source: https://www.youtube.com/watch?v=xkFRjLG0e1o
- **2020-08-03**, Troglofauna: Animals of the Caves. A survey of the obscure animals science knows from lightless cave environments. [scene](https://loreline.live/loreline/underground/scene/eda804a7-0dea-41c8-9dd6-e2f6261b5555) Source: https://www.youtube.com/watch?v=X0Uvj6wufI8
- **2020-08-07**, Hidden worlds: Carlsbad Caverns National Park. National Park Service film on the chambers of Carlsbad Caverns, up to 250 feet high, and the scientists working inside them. [scene](https://loreline.live/loreline/underground/scene/102c8aa1-f28e-43da-81e1-47ac7008b7d4) Source: https://www.youtube.com/watch?v=fqaVrYFNqIE
- **2020-08-17**, The Nutty Putty cave incident. On 24 November 2009 the caver John Edward Jones became wedged head-down in a narrow passage south of Salt Lake City; the cave was later sealed with his body inside. [scene](https://loreline.live/loreline/underground/scene/141c2930-7d80-4b46-ae7a-3fea615c1f92) Source: https://www.youtube.com/watch?v=jWwPg8ruxfI
- **2020-09-03**, The California gold rush (educational film). Mid-century classroom film on the 1848 find at Sutter's mill and the 300,000 who followed, which propelled California to statehood. [scene](https://loreline.live/loreline/underground/scene/4b0938ca-7ba2-4c33-a18b-79c3d704e353) Source: https://www.youtube.com/watch?v=OMTY3vi-x-c
- **2020-10-14**, The Christian catacombs of Rome. The tufa galleries beneath the city, their burials and their painted decoration. [scene](https://loreline.live/loreline/underground/scene/d4cd3331-f840-4bbd-9e28-6967b0eb1ae5) Source: https://www.youtube.com/watch?v=pB_jJmcsDyQ
- **2020-11-04**, Microorganisms in the Deep Biosphere. A European Astrobiology Institute seminar on deep-biosphere microbes and what they imply for the search for life elsewhere. [scene](https://loreline.live/loreline/underground/scene/f93f0a88-55b3-476d-a1ce-2d9c85680718) Source: https://www.youtube.com/watch?v=GPlZtiq19Ws
- **2020-11-17**, RESO: the world's longest underground network. Montreal's 32km of tunnels linking office towers, malls and metro stations beneath the winter street. [scene](https://loreline.live/loreline/underground/scene/e234bfbb-a7dc-4ef3-a8a3-3c0a26cb1958) Source: https://www.youtube.com/watch?v=FcysNkp0Li0
- **2020-11-20**, Digging up the Underground Railroad. Archaeological remains of a clandestine network that by design left almost no written record. [scene](https://loreline.live/loreline/underground/scene/197634a0-9ce0-4775-9e63-fd01afc04117) Source: https://www.youtube.com/watch?v=aCbF7OWTUxs
- **2020-11-22**, DRILL HOLE IN RIB, MULTI FRAC - - 78bb10dd8e3761507a1d7170a3b68d5e. Original Agency Description: A800484 U12G MULTI FRAC DRILL HOLE IN RIB FINLEY (Project Engineer) APR 22 80 EG&G/NTS PHOTO LAB Publication Date: 4/22/1980 Keywords: CABLES; DRILL HOLE IN RIB; DRILL HOL. [scene](https://loreline.live/loreline/underground/scene/c8eb50cd-56ab-4a35-92c9-1b32564c69ab) Source: https://commons.wikimedia.org/wiki/File:DRILL_HOLE_IN_RIB,_MULTI_FRAC_-_DPLA_-_78bb10dd8e3761507a1d7170a3b68d5e.jpg
- **2020-11-24**, Lechuguilla: the first fifty miles. Symposium talk on the earliest exploration of Lechuguilla, from the November 2020 event marking the cave passing 150 miles surveyed. [scene](https://loreline.live/loreline/underground/scene/ad874bd3-1272-4f53-928b-96646667a391) Source: https://www.youtube.com/watch?v=E9yKeSH6zu0
- **2020-11-25**, Climbing in an underground wilderness. Aid climbing technique used to reach high leads in Lechuguilla Cave, where every anchor placed is a permanent mark on a protected cave. [scene](https://loreline.live/loreline/underground/scene/462f28f6-9a1c-4f9a-a465-629263a8f2a7) Source: https://www.youtube.com/watch?v=eDh6_PBB-D4
- **2020-11-25**, Diving the lakes of Lechuguilla. How divers work the deep still lakes of Lechuguilla Cave, presented at the National Speleological Society symposium. [scene](https://loreline.live/loreline/underground/scene/ff933b8a-3530-4c0f-a7e5-dc7c01e6bc58) Source: https://www.youtube.com/watch?v=9Ugcm9w5aEs
- **2020-11-29**, Camping in Lechuguilla. Beth Cortright on the logistics of underground camps during multi-day survey trips in Lechuguilla Cave. [scene](https://loreline.live/loreline/underground/scene/16b36975-0132-465a-aa9a-59d48995a160) Source: https://www.youtube.com/watch?v=dAQDWF-i3Sk
- **2020-12-02**, The Importance of Lechuguilla Cave. From a symposium marking Lechuguilla passing 150 miles of surveyed passage, on the sealed cave's rare microbiology and geology. [scene](https://loreline.live/loreline/underground/scene/16952d67-13b4-4cd9-830f-d2b2610b8b4a) Source: https://www.youtube.com/watch?v=D8R3cOQ8a3c
- **2020-12-02**, Life in Lechuguilla. The microbial life of Lechuguilla Cave, presented at the symposium marking the cave passing 150 miles of surveyed passage in October 2019. [scene](https://loreline.live/loreline/underground/scene/65a4a0d0-21ac-447e-9fae-414a4fe66a9c) Source: https://www.youtube.com/watch?v=NlwhDVZUSfs
- **2020-12-08**, The biogenic origin of Witwatersrand gold. Geological Society of South Africa lecture by Professor Hartwig Frimmel on how the Witwatersrand reefs, source of much of the world's gold, were formed. [scene](https://loreline.live/loreline/underground/scene/f00cb59b-a70c-4952-9762-fc28a9bb0591) Source: https://www.youtube.com/watch?v=YHZWLOEJhjs
- **2020-12-11**, Roots Compete for Prime Real Estate Underground. Modelling and greenhouse work showing how neighbouring plants' root systems interact and partition soil. [scene](https://loreline.live/loreline/underground/scene/82971cd7-5c2c-4650-a1ef-ce2886912b18) Source: https://www.youtube.com/watch?v=JU4mn_AJumI
- **2020-12-17**, Technology in archaeology: ground-penetrating radar. An interview on how GPR is used in the field and what its returns can and cannot show. [scene](https://loreline.live/loreline/underground/scene/52867767-6fb7-441f-a1a6-932667669076) Source: https://www.youtube.com/watch?v=u2XFjO0mAds
- **2020-12-25**, Inside Lalibela. 60 Minutes reports from the eleven churches the Ethiopian Orthodox Church holds were built by angels. [scene](https://loreline.live/loreline/underground/scene/9b74532f-91bb-46cf-80fe-d72a93142540) Source: https://www.youtube.com/watch?v=excYNB26fhs
### 2021
- **2021-01-02**, Inside Bracken Bat Cave. Researchers run electrical resistivity surveys inside Bracken Cave, home to the world's largest bat colony, to find the deepest guano deposits. [scene](https://loreline.live/loreline/underground/scene/a8595eca-b71e-4086-b27f-53ebd9b5845d) Source: https://www.youtube.com/watch?v=m-5q0kzoo68
- **2021-01-13**, The oldest cave art found in Sulawesi. Griffith University announces a painted pig dated to at least 45,500 years ago in an Indonesian cave. [scene](https://loreline.live/loreline/underground/scene/75258c7f-8924-4da2-9c54-5546b9667413) Source: https://www.youtube.com/watch?v=b-wAYtBxn7E
- **2021-01-14**, The Sutton Hoo helmet. A British Museum curator handles and explains the reconstructed Anglo-Saxon helmet from the ship burial. [scene](https://loreline.live/loreline/underground/scene/f0f72253-1ea3-4617-b56c-2cc60b7bd0bb) Source: https://www.youtube.com/watch?v=zYk0GH5iFYI
- **2021-01-28**, Why Soil Is One of the Most Amazing Things on Earth. Made with the Royal Society, an account of what soil actually is and the density of living things it holds. [scene](https://loreline.live/loreline/underground/scene/636be803-2c9c-4cf9-9cd2-8fe78be7a5e2) Source: https://www.youtube.com/watch?v=OiLITHMVcRw
- **2021-01-28**, Naked Mole-Rat Colonies Have Their Own Dialects. Science magazine on colony-specific vocal dialects in the underground colonies of up to 300 mostly blind and deaf rodents. [scene](https://loreline.live/loreline/underground/scene/ee5707ba-fc86-456e-8092-f61ee82370dc) Source: https://www.youtube.com/watch?v=YJ4FEkU0QCc
- **2021-02-26**, An introduction to sinkholes and karst research. The National Cave and Karst Research Institute outlines sinkhole formation and the cave and karst studies it carries out. [scene](https://loreline.live/loreline/underground/scene/47524567-e0d5-497a-9de6-05155655c079) Source: https://www.youtube.com/watch?v=oTc1_EgNR4Q
- **2021-03-10**, The Courrieres mine catastrophe of 1906. French television archive on the explosion in the Courrieres pits in the Pas-de-Calais, which killed 1,099 men and remains Europe's deadliest mining disaster. [scene](https://loreline.live/loreline/underground/scene/c8270561-4fe8-45e0-89cd-465b8556ce88) Source: https://www.youtube.com/watch?v=hLNZGox60cg
- **2021-03-20**, A gold mask emerges at Sanxingdui. Excavation footage of the gold mask found at the Sichuan Bronze Age site first identified in 1929. [scene](https://loreline.live/loreline/underground/scene/78f8f237-cc3d-48a6-9238-c5ac5b8a18a0) Source: https://www.youtube.com/watch?v=67k_mcFKtH4
- **2021-03-22**, Krubera cave from 1,960 to 2,145 metres. Footage from the Ukrainian Speleological Association's August 2013 push through the deepest reaches of Krubera in Abkhazia. [scene](https://loreline.live/loreline/underground/scene/dbe0b417-3e4e-4a91-8575-d77df35fff9c) Source: https://www.youtube.com/watch?v=3zTLBWZY7CI
- **2021-04-20**, Coal's deadly dust. FRONTLINE and NPR investigate the resurgence of severe black lung disease among American coal miners and the regulatory failure behind it. [scene](https://loreline.live/loreline/underground/scene/fe6c2c4b-ec91-4be8-ab78-3e8300b3b0ec) Source: https://www.youtube.com/watch?v=650dKRmc0Nk
- **2021-04-27**, Brood X: What to Expect After 17 Years Underground. PBS NewsHour ahead of the 2021 periodical cicada emergence, including concern that warming is pushing broods to mature off-schedule. [scene](https://loreline.live/loreline/underground/scene/39571ac4-0086-4dfc-a213-7e9ab4601cd3) Source: https://www.youtube.com/watch?v=HdV-V777JMA
- **2021-05-03**, The King under the car park. Site director Mathew Morris gives a full account of the excavation and identification of Richard III. [scene](https://loreline.live/loreline/underground/scene/35c27bd9-1332-4e42-83bc-51ad3b1c92cb) Source: https://www.youtube.com/watch?v=-tAaGETTiLs
- **2021-05-12**, What is a tunnel boring machine?. A short explainer on TBMs, issued as HS2 launched its first giant machine. [scene](https://loreline.live/loreline/underground/scene/c9e79f79-bafc-40f1-8f11-39f8fb48b6cb) Source: https://www.youtube.com/watch?v=sGEMHn01p4g
- **2021-06-01**, Brood X Cicadas Emerge After 17 Years. New Scientist films trillions of cicadas surfacing across 15 US states, with entomologist Gene Kritsky's citizen-science tracking. [scene](https://loreline.live/loreline/underground/scene/29f07839-902b-4ae0-9968-7bf73bf41b5b) Source: https://www.youtube.com/watch?v=lpucN0__vLs
- **2021-06-02**, (Re)discovering the Sutton Hoo ship burial. Dr Sue Brunning on the 1939 excavation supervised by Charles Phillips and what the grave has revealed since. [scene](https://loreline.live/loreline/underground/scene/fa88830c-c6eb-4dbd-8e8e-927491f470b5) Source: https://www.youtube.com/watch?v=bVDCu6-WhVY
- **2021-06-09**, Finland's answer to nuclear waste. The B1M on Olkiluoto's reactors and the repository being driven beneath them. [scene](https://loreline.live/loreline/underground/scene/54c4be1b-4f81-445c-8d6e-bb6c7ac658be) Source: https://www.youtube.com/watch?v=kYpiK3W-g_0
- **2021-06-15**, Why Brood X May Emerge More Often in Future. Science magazine on stragglers appearing off-cycle and what that suggests about the 17-year clock. [scene](https://loreline.live/loreline/underground/scene/430eace7-da45-4ab7-87f5-14da92eccf7d) Source: https://www.youtube.com/watch?v=JB3kZXyuDWQ
- **2021**, Adapted to the Dark: The World of Cave Crickets. A documentary on the wingless cave crickets of the Naracoorte caves in South Australia and their role in the underground food web. [scene](https://loreline.live/loreline/underground/scene/f351f2f2-87a0-4468-a58c-a136ba3d4f05) Source: https://www.youtube.com/watch?v=5Nf93Y3ftGw
- **2021**, Castlerigg before a storm - Adam Morgan Ibbotson. Castlerigg Stone Circle with stormy skied approaching. [scene](https://loreline.live/loreline/underground/scene/1f0743ef-0219-4f05-a88e-89869901d1d7) Source: https://commons.wikimedia.org/wiki/File:Castlerigg_before_a_storm_-_Adam_Morgan_Ibbotson.jpg
- **2021-06-20**, Lithium: New Gold Rush in the Andes. DW on the brine deposits beneath the Andean salars and the extraction now targeting them. [scene](https://loreline.live/loreline/underground/scene/66e84e4f-1439-4b8e-bec5-d8de7aa54ef2) Source: https://www.youtube.com/watch?v=LZjiEggYglM
- **2021-07-28**, The Antikythera mechanism. BBC Reel on the corroded bronze device recovered from a Greek shipwreck and what its gearing computed. [scene](https://loreline.live/loreline/underground/scene/d6207f78-7132-44b2-942d-7987f8cbaec5) Source: https://www.youtube.com/watch?v=qqlJ50zDgeA
- **2021-08-11**, The Stasi and the Berlin Wall. DW on the Wall built on 13 August 1961, the escape attempts it provoked and the surveillance apparatus around it. [scene](https://loreline.live/loreline/underground/scene/075985e0-f8a5-409b-8d88-e13ba336bfc3) Source: https://www.youtube.com/watch?v=haxkWC6MgcQ
- **2021-08-15**, Inside an HS2 tunnel boring machine. A tunnelling engineer walks the length of a 170m TBM, an underground factory that excavates and lines at once. [scene](https://loreline.live/loreline/underground/scene/9382dae6-6259-48f2-b060-df702958f959) Source: https://www.youtube.com/watch?v=izLHTYaJrho
- **2021-08-22**, Iron Age and Roman archaeology at HS2's Blackgrounds dig. A site tour of the Northamptonshire excavation and the geophysical survey that found it. [scene](https://loreline.live/loreline/underground/scene/c52e1b47-e1aa-4df3-afd7-5e6f2311797a) Source: https://www.youtube.com/watch?v=rDITI2p9P8M
- **2021-08-27**, The Underground Railroad. How the escape network actually worked, and why the railway metaphor obscures as much as it explains. [scene](https://loreline.live/loreline/underground/scene/853b1627-c19d-486e-89d3-2b3eb766b93f) Source: https://www.youtube.com/watch?v=Byh-HityBIM
- **2021-09-05**, Naica: return to the crystal cave. A 2008 scientific expedition into the Naica mine in Chihuahua, where selenite crystals grow metres long in air hot enough to kill an unprotected person in minutes. [scene](https://loreline.live/loreline/underground/scene/6b1498e3-c37d-4742-9d9d-d1e124416746) Source: https://www.youtube.com/watch?v=yq72xsXL-SM
- **2021-09-09**, The largest bronze mask from Sanxingdui. Footage from ritual pit no. 3 as archaeologists lift the largest bronze mask yet found at the site. [scene](https://loreline.live/loreline/underground/scene/cb5893af-8059-4eb1-a83e-66b34874f864) Source: https://www.youtube.com/watch?v=POyw0wo0XOc
- **2021-10-02**, What Does the Core of the Earth Look Like?. Seismologist Arwen Deuss images the Earth's interior using earthquake waves, visiting Vesuvius and Inge Lehmann's old Danish measuring station. [scene](https://loreline.live/loreline/underground/scene/83f9cc43-dea3-481f-8fee-2d923af1cdec) Source: https://www.youtube.com/watch?v=aKPYRRqZO3g
- **2021-10-12**, Planetary Seismology: Three Years on Mars. The InSight team on continuous seismic recording on Mars, the heat-flow probe that would not bury itself, and plans to return seismometers to the Moon. [scene](https://loreline.live/loreline/underground/scene/f5f6d5b6-05ef-4302-98f5-893ef91760a6) Source: https://www.youtube.com/watch?v=B4tyeOPBTPA
- **2021-11-01**, The world's oldest animal cave painting. BBC News on the Sulawesi panel of wild pigs and the uranium-series dating behind the claim. [scene](https://loreline.live/loreline/underground/scene/5db489d8-d452-4390-b22b-4d43a86d174d) Source: https://www.youtube.com/watch?v=gtD9oyGK5MA
- **2021-11-05**, Inside Derinkuyu, the city that held 20,000 people. A descent through the eighteen levels of the Cappadocian underground city and its rolling stone doors. [scene](https://loreline.live/loreline/underground/scene/1fc8979f-f80c-483a-b638-3b15ec42bc18) Source: https://www.youtube.com/watch?v=WZGzrBUpUps
- **2021-11-06**, Cave Painting, Maligrad Island. An old cave painting located in Maligrad Island during the pre-medieval time. [scene](https://loreline.live/loreline/underground/scene/6c1b6baa-ca79-4971-8ccc-5d8477e46919) Source: https://commons.wikimedia.org/wiki/File:Cave_Painting,_Maligrad_Island.jpg
- **2021-11-07**, Excavating Tutankhamun's mummy, in colour. Colourised footage of Carter's team unwrapping the mummy three years after opening the tomb. [scene](https://loreline.live/loreline/underground/scene/b4d09b4c-5a57-4e24-9f00-30a384b008e6) Source: https://www.youtube.com/watch?v=wtNodW1vFg0
- **2021-11-08**, The race to build the first American subway. Boston and New York compete to put rapid transit underground. [scene](https://loreline.live/loreline/underground/scene/e56a3012-40d3-4cbd-a859-1c41dfce933e) Source: https://www.youtube.com/watch?v=cVBhvKxw4ow
- **2021-11-14**, Rapid Evolution in Cave Populations of the Mexican Tetra. A researcher on Astyanax mexicanus, the surface fish whose cave populations lose eyes and pigment, and on the earliest chapters of that change. [scene](https://loreline.live/loreline/underground/scene/4e8317cc-4d55-4d2b-a955-f502caa34708) Source: https://www.youtube.com/watch?v=DvpsHZ3OI-Y
- **2021-11-17**, 20211117.Gibraltar-St. Michael’s Cave.-012. St. Michael’s Cave oder Old St. Michael’s Cave ist der Name eines Kalksteinhöhleensystems im Upper Rock Nature Reserve im britischen Überseegebiet Gibraltar, auf einer Höhe von 300 Metern über dem Mee. [scene](https://loreline.live/loreline/underground/scene/92fb5b6e-624d-4db0-be5e-4d67cbb6d390) Source: https://commons.wikimedia.org/wiki/File:20211117.Gibraltar-St._Michael%E2%80%99s_Cave.-012.jpg
- **2021-11-17**, 20211117.Gibraltar-St. Michael’s Cave.-011. St. Michael’s Cave oder Old St. Michael’s Cave ist der Name eines Kalksteinhöhleensystems im Upper Rock Nature Reserve im britischen Überseegebiet Gibraltar, auf einer Höhe von 300 Metern über dem Mee. [scene](https://loreline.live/loreline/underground/scene/d54cf22e-8e53-485f-a3c9-a7fbcb725db9) Source: https://commons.wikimedia.org/wiki/File:20211117.Gibraltar-St._Michael%E2%80%99s_Cave.-011.jpg
- **2021-11-24**, The Naked Mole-Rat: Animal Superhero. Chris Faulkes of Queen Mary, University of London on the physiology and evolutionary ecology of this long-lived subterranean rodent. [scene](https://loreline.live/loreline/underground/scene/c8aeca10-9b76-4e4b-ba4b-c87c52274e04) Source: https://www.youtube.com/watch?v=VMVG6xFSogU
- **2021-12-01**, Channel Tunnel breakthrough. ITN footage of British and French workers breaking through the last wall of chalk between the two sides. [scene](https://loreline.live/loreline/underground/scene/5daaf38d-5c64-4a0a-bad8-d54e33b82467) Source: https://www.youtube.com/watch?v=eon8Ivm2PWs
- **2021-12-02**, The great escape beneath the Berlin Wall. Tunnel 57, dug in 1964 from a West Berlin bakery, through which 57 people escaped East Germany. [scene](https://loreline.live/loreline/underground/scene/449bf8d6-8720-4309-b572-6b551c904da9) Source: https://www.youtube.com/watch?v=hBvcMMuBsHQ
- **2021-12-13**, How Martel shaped the future of speleology. Talk by Richard Watson on Edouard-Alfred Martel, the father of speleology, given during the International Year of Caves and Karst. [scene](https://loreline.live/loreline/underground/scene/bbd39d72-94d5-40d9-8267-1f99b84cea3a) Source: https://www.youtube.com/watch?v=T7qkvr9Kpa8
- **2021-12-23**, Dholavira - Games Board from the Harappan civilization. The games board's appearance at Dholavira reflects people's leisure activities. [scene](https://loreline.live/loreline/underground/scene/956579e9-8073-4d45-8bee-ce038e2ab4d4) Source: https://commons.wikimedia.org/wiki/File:Dholavira_-_Games_Board_from_the_Harappan_civilization.jpg
### 2022
- **2022-01-21**, Euston's abandoned Underground station. The hidden station entombed within the rebuilt Euston complex. [scene](https://loreline.live/loreline/underground/scene/6c1a7307-5ffd-49e1-ac97-89f3176a5f26) Source: https://www.youtube.com/watch?v=pHqpdANhoJk
- **2022-01-29**, White-nose syndrome in bats: the westward march. Dr Cori Lausen on the fungal disease spreading through North American bat hibernacula and what it means for cave access and conservation. [scene](https://loreline.live/loreline/underground/scene/ec412746-22c5-445e-88a3-8d2c34171542) Source: https://www.youtube.com/watch?v=lPdp2N04Em0
- **2022-02-24**, Blood cobalt: the Congo's green energy mines. Foreign Correspondent on artisanal cobalt digging in the DRC, the metal behind the batteries in electric cars, laptops and phones. [scene](https://loreline.live/loreline/underground/scene/e59bc6e5-9db1-45c1-a5f6-16499679c8e4) Source: https://www.youtube.com/watch?v=_V3bIzNX4co
- **2022-02-28**, The early days of Johannesburg and Witwatersrand gold mining. Talk by Katherine James-Kleynhans on the 1886 discovery on the Witwatersrand and the mining camp that became Johannesburg. [scene](https://loreline.live/loreline/underground/scene/14caefd2-4d80-4e5a-86f7-304fcb55fb25) Source: https://www.youtube.com/watch?v=JKbFsmDbA_8
- **2022-03-02**, 20220302 sepultures gallo-romaines. Sur le site gallo-romain c'est un endroit où étaient rassemblées des sépultures. Derrière l'arbre nous avons une tombe encore bien visible. [scene](https://loreline.live/loreline/underground/scene/aa86eb90-1336-41e5-9825-a13b7f8991cb) Source: https://commons.wikimedia.org/wiki/File:20220302_sepultures_gallo-romaines.jpg
- **2022-03-04**, Storing Uranium Waste for 100,000 Years. Science magazine on Finland's plan for permanent deep geological disposal of spent fuel and why other countries' attempts stalled. [scene](https://loreline.live/loreline/underground/scene/b28cc5a7-1297-44c5-8a26-22d420121997) Source: https://www.youtube.com/watch?v=nU94go_hKfY
- **2022-03-13**, The Lechuguilla breakthrough. Carlsbad Caverns National Park living history programme on the 1986 dig that broke through rubble into Lechuguilla Cave. [scene](https://loreline.live/loreline/underground/scene/9247bfd6-98a5-4c20-a4f5-59940335be8b) Source: https://www.youtube.com/watch?v=VSG1KT-l9Ms
- **2022-03-24**, The Seikan Tunnel. The Japanese rail agency's own account of building and operating the Tsugaru Strait tunnel. [scene](https://loreline.live/loreline/underground/scene/d813a178-3e04-4c92-ae2b-9e2c43359fa7) Source: https://www.youtube.com/watch?v=peCPZCK8A6Q
- **2022-04-01**, Hellmouths in Christian art. The recurring medieval image of Hell's entrance as a giant set of jaws, and where it came from. [scene](https://loreline.live/loreline/underground/scene/ee8ccf10-8dc6-4481-a2e0-d9cbfd4e005b) Source: https://www.youtube.com/watch?v=5DjbqsEW1vk
- **2022-04-07**, Ultra-Low Velocity Zones at the Core-Mantle Boundary. Samantha Hansen on the small, strange patches at the base of the mantle where seismic waves slow dramatically. [scene](https://loreline.live/loreline/underground/scene/7acccd32-44d9-48e4-b756-048f476642ca) Source: https://www.youtube.com/watch?v=ti4OBokgsEU
- **2022-04-14**, The myth of Hades and Persephone. The abduction myth that explained the seasons and bound the underworld to the agricultural year. [scene](https://loreline.live/loreline/underground/scene/beeebf64-98d1-430f-8b14-5f038a118556) Source: https://www.youtube.com/watch?v=zLAYGZeVTPQ
- **2022-04-20**, Inside the Pulpi geode, the world's largest crystal cave. The Pulpi geode, found in 1999 inside an abandoned mine in southern Spain, and how crystals grow inside a geode. [scene](https://loreline.live/loreline/underground/scene/87462d8a-6b26-4832-8bc2-bb50413cd93c) Source: https://www.youtube.com/watch?v=bc7hJ2ayU4o
- **2022-04-27**, Amethyst Geode from Brazil. A geode of amethyst from Brazil. Height: 245cm, Width: 140cm, Weight: 2.5t. It was exhibited at the special exhibition "Gems" held at the National Museum of Nature and Science, Tokyo in 2022. [scene](https://loreline.live/loreline/underground/scene/8140354b-1afb-416b-954a-2ba7fca29e60) Source: https://commons.wikimedia.org/wiki/File:Amethyst_Geode_from_Brazil.jpg
- **2022-05-25**, Lasers reveal an ancient Amazonian civilisation. Nature reports the LiDAR survey that exposed pyramids and canals beneath the Bolivian Amazon. [scene](https://loreline.live/loreline/underground/scene/5ad0b494-4c9b-4747-8f7a-71ae914f4dfa) Source: https://www.youtube.com/watch?v=VaXrX0veR9Y
- **2022-06-12**, Bronze altar among new Sanxingdui finds. CGTN reports nearly 13,000 relics recovered from the newly opened pits. [scene](https://loreline.live/loreline/underground/scene/8f577884-ef26-402c-a47b-1704320d9f47) Source: https://www.youtube.com/watch?v=0hg-a8BdPbY
- **2022-06-15**, HS2 discoveries illuminate the Anglo-Saxon Dark Ages. HS2's own account of the Wendover burial site, where nearly three quarters of graves contained grave goods. [scene](https://loreline.live/loreline/underground/scene/32575045-dde2-4011-bb33-d42e4e1fefaa) Source: https://www.youtube.com/watch?v=w95p5aTa58c
- **2022-06-16**, An Anglo-Saxon burial ground found by HS2 archaeologists. Rescue archaeology on the HS2 rail route uncovers a large early medieval cemetery at Wendover. [scene](https://loreline.live/loreline/underground/scene/016ed6b3-860b-4c56-b11f-598ecdae81c4) Source: https://www.youtube.com/watch?v=sMYnHrFbe14
- **2022-06-16**, Raven Rock: the government's underground command centre. The continuity-of-government complex dug into a Pennsylvania mountain. [scene](https://loreline.live/loreline/underground/scene/babae32c-afcc-4880-a366-08269983b9cd) Source: https://www.youtube.com/watch?v=89rytWMKsf0
- **2022-07-03**, Mystical initiation in ancient Greece: the Eleusinian Mysteries. The rites at Eleusis, what little the initiates left on record, and how much of the rest is speculation. [scene](https://loreline.live/loreline/underground/scene/c663b1b7-661d-4a81-9a31-4c5fcd189e8a) Source: https://www.youtube.com/watch?v=3kz22-OVMCY
- **2022-07-05**, How Do You Steer a Drill Below the Earth?. Practical Engineering on horizontal directional drilling and the mechanics of guiding a bit through rock underground. [scene](https://loreline.live/loreline/underground/scene/5f88bd40-24dd-422d-975d-a09a308f70ce) Source: https://www.youtube.com/watch?v=JAhdb7dKQpU
- **2022-07-08**, The hidden history of the catacombs of Rome. What the Roman catacombs actually were, and how much of their popular story is later invention. [scene](https://loreline.live/loreline/underground/scene/7d90b527-8c7e-4f8e-a4b7-9cfe4aebdf71) Source: https://www.youtube.com/watch?v=S0agND1g8Zs
- **2022-07-17**, Titan, the deepest cave shaft in Britain. The 141.5-metre natural shaft near Castleton in the Derbyshire Peak District, reachable only by cavers competent on big pitches. [scene](https://loreline.live/loreline/underground/scene/d72e265c-2c64-4e8c-b25c-39e5409d18cc) Source: https://www.youtube.com/watch?v=-drUG1IlTBI
- **2022-07-22**, Twenty years since the Quecreek mine rescue. Local news retraces the 2002 rescue of nine miners trapped when water broke into the Quecreek mine in Pennsylvania. [scene](https://loreline.live/loreline/underground/scene/63f04e9e-de0b-47f8-940f-ff81a8d25210) Source: https://www.youtube.com/watch?v=WFXNB3zRjjQ
- **2022-08-10**, The World's First Permanent Nuclear-Waste Repository. DW News on Finland becoming the first country with a permanent plan for all the radioactive waste its reactors produce. [scene](https://loreline.live/loreline/underground/scene/a4aee708-49bd-4a25-85c5-797c1a34c29f) Source: https://www.youtube.com/watch?v=gc1r-ARQK0s
- **2022-08-16**, The Hidden Wonders of Soil. Climate scientist Jane Zelikova on soil's microbial diversity and its role as one of the planet's largest carbon stores. [scene](https://loreline.live/loreline/underground/scene/6186b91d-86a6-4763-84db-f65969dd4039) Source: https://www.youtube.com/watch?v=19zJCO1VBj4
- **2022-08-27**, Atop Shell Mound view to Gulf of Mexico. 20220827 141528153 FL Shell Mound view to gulf. [scene](https://loreline.live/loreline/underground/scene/f7e47066-ebc8-467f-ba86-e16e019b9d56) Source: https://commons.wikimedia.org/wiki/File:Atop_Shell_Mound_view_to_Gulf_of_Mexico.jpg
- **2022-09-17**, The truth about deep sea mining. How nodule collection on the abyssal plain would actually work, and what is known about the ecosystems it would disturb. [scene](https://loreline.live/loreline/underground/scene/82e4405b-c1f5-4be9-8074-0cb9afb3560f) Source: https://www.youtube.com/watch?v=73mXXJpEjRI
- **2022-09-21**, Mponeng, the world's deepest mine. How the Mponeng gold mine west of Johannesburg is worked, and what it takes to keep men alive nearly four kilometres below the surface. [scene](https://loreline.live/loreline/underground/scene/cb6d2405-ce21-46b9-a8b1-c19c972fa2a9) Source: https://www.youtube.com/watch?v=O8q1WdhVCck
- **2022-10-05**, Cave Science- Insights from the Indian Subcontinent. The first Text cum Research Reference book on "Cave Science" from India. [scene](https://loreline.live/loreline/underground/scene/b91782c9-21aa-42b3-a9eb-aa898dfd37d0) Source: https://commons.wikimedia.org/wiki/File:Cave_Science-_Insights_from_the_Indian_Subcontinent.jpg
- **2022-10-07**, How Microbes Make Soil Healthy. DW on the microbial life that soil depends on, and on efforts to revive degraded soils by restoring it. [scene](https://loreline.live/loreline/underground/scene/4bcb92e3-5071-4f3c-8b4c-a587dc3f8354) Source: https://www.youtube.com/watch?v=UJyKPTIXmKg
- **2022-10-10**, Keeping the world's longest rail tunnel safe. Tom Scott on the safety systems around the 57km Gotthard Base Tunnel, most of them outside the tunnel itself. [scene](https://loreline.live/loreline/underground/scene/b4718306-9b33-4fe1-b6e4-0cbd4df3ad9c) Source: https://www.youtube.com/watch?v=mwx_rumXUAw
- **2022-10-13**, The Rosetta Stone and what it actually says. Curator Ilona Regulski reads the decree on the stone found in 1799 and notes the 27 other copies since identified. [scene](https://loreline.live/loreline/underground/scene/171856ca-0121-40d1-8216-b9ac8e7eac4d) Source: https://www.youtube.com/watch?v=klJBwnBHET8
- **2022-10-23**, Fyndplats för mynthänge RAÄ-nr Väskinde 166 1. Fyndplats för guldmynt, omgjort till spänne, RAÄ-nr Väskinde 166:1. Myntet slaget i Spanien 1122-23 e.v.t. Påträffat 1971 vid potatisplockning. Nu hos Gotlands Museum (GFC 10771). [scene](https://loreline.live/loreline/underground/scene/ef362f95-1730-4d67-9964-4a6b8f6db671) Source: https://commons.wikimedia.org/wiki/File:Fyndplats_f%C3%B6r_mynth%C3%A4nge_RA%C3%84-nr_V%C3%A4skinde_166_1.jpg
- **2022-10-28**, Saving thirteen lives: the day of the rescue. NOVA reconstructs the final dive-out day at Tham Luang, when each boy was sedated and carried through flooded passage. [scene](https://loreline.live/loreline/underground/scene/e64a6c42-edc6-48b9-8d31-4d83afeb9546) Source: https://www.youtube.com/watch?v=r_PuudTNdeY
- **2022-10-29**, Begravningsplats Visby 227 undersökt 1975. 3 individer framkom på en yta som är belägen ungefär mitt i bilden. [scene](https://loreline.live/loreline/underground/scene/c58603f6-638a-4249-800c-5225a1a7afbc) Source: https://commons.wikimedia.org/wiki/File:Begravningsplats_Visby_227_unders%C3%B6kt_1975.jpg
- **2022-11-01**, Catacumbas, París, Francia, 2022-11-01, DD 111-113 HDR. Catacombs of Paris, France. These underground ossuaries hold the remains of more than six million people. It was created beginning in 1774 as part of the effort to eliminate the effects of the city's. Modern photograph of an ancient site. [scene](https://loreline.live/loreline/underground/scene/77ed340b-661d-42a9-8d0f-a88d06d36308) Source: https://commons.wikimedia.org/wiki/File:Catacumbas,_Par%C3%ADs,_Francia,_2022-11-01,_DD_111-113_HDR.jpg
- **2022-11-04**, How Howard Carter located Tutankhamun's tomb. The search method and years of fruitless digging that preceded the November 1922 find. [scene](https://loreline.live/loreline/underground/scene/669eadcc-6df6-4133-bb92-aab55852265e) Source: https://www.youtube.com/watch?v=--ly9JEA_gk
- **2022-11-17**, Carbon Capture and Storage Research at the BGS. The British Geological Survey outlines how captured CO2 is injected into and retained by deep geological formations. [scene](https://loreline.live/loreline/underground/scene/c83081fc-a9e5-47aa-9334-4d6c8d598f20) Source: https://www.youtube.com/watch?v=7j3OTLmaE-g
- **2022-11-26**, Turkey's newly found underground city at Midyat. BBC News on the vast cave and tunnel network excavated beneath Midyat, near the Syrian border. [scene](https://loreline.live/loreline/underground/scene/04e97b4b-d8f6-42fd-9b5c-b77042c624bb) Source: https://www.youtube.com/watch?v=vSg1baThev8
- **2022-12-13**, Vertical caving: the NCRC skills test. The qualifying vertical rope skills required for National Cave Rescue Commission training courses in the United States. [scene](https://loreline.live/loreline/underground/scene/f568425b-dfe6-4728-bb20-578ece57f7c2) Source: https://www.youtube.com/watch?v=j-u3T4GaYTg
### 2023
- **2023-01-31**, Why the British Museum has the Parthenon Marbles. How the sculptures came to London, and the contested legal and ethical history of that acquisition. [scene](https://loreline.live/loreline/underground/scene/72d8c10c-0bfa-4741-a46a-c97c668143d0) Source: https://www.youtube.com/watch?v=90hpwMFtHvU
- **2023-02-12**, How the Metropolitan Railway was built. The engineering of the world's first underground railway, opened to the public in January 1863. [scene](https://loreline.live/loreline/underground/scene/9a8b5f67-ee60-4782-bc7c-f494e2e30e12) Source: https://www.youtube.com/watch?v=zdhc330mBjk
- **2023-02-14**, Earthworm Love Is Cuddly and Complicated. Deep Look's macro footage of earthworm mating and cocoon-making inside tubes of slime in the soil. [scene](https://loreline.live/loreline/underground/scene/bdbba508-c395-4240-9936-5036e73faead) Source: https://www.youtube.com/watch?v=xjpo6OkuYy0
- **2023-02-15**, Artefacts found at Harriet Tubman's birthplace. Maryland officials present the archaeology from the Thompson Farm site in Dorchester County. [scene](https://loreline.live/loreline/underground/scene/b09f21c3-b600-4859-bfb1-76775526fb33) Source: https://www.youtube.com/watch?v=suwELzHPK8E
- **2023-02-26**, The world's first underground railway. What travelling on the steam-hauled Metropolitan Railway was actually like when it opened in 1863. [scene](https://loreline.live/loreline/underground/scene/0923e11f-ed67-41ed-a7e7-6dea891b22c4) Source: https://www.youtube.com/watch?v=Ku_Evq_fP40
- **2023-02-27**, Woolley and site formation at Ur. Dr Brad Hafford revisits Woolley's field notes alongside new excavation, at a conference marking the centenary of his first season. [scene](https://loreline.live/loreline/underground/scene/55e2f6ec-271c-4025-9d7d-c44df3069a88) Source: https://www.youtube.com/watch?v=QG8WI_PYfvI
- **2023-03-15**, Microbial Life in the Terrestrial Subsurface. A Penn State seminar on the microorganisms that live in rock kilometres below the land surface and what they mean for astrobiology. [scene](https://loreline.live/loreline/underground/scene/4a534875-ecba-41da-b6e8-ab3b13ae1776) Source: https://www.youtube.com/watch?v=RsXUfJ8biFc
- **2023-03-16**, Before the Great Orme: metal ores in Early Bronze Age Britain. Society of Antiquaries lecture on the discovery and working of copper ores in Britain before the Great Orme mine, the largest prehistoric copper mine known. [scene](https://loreline.live/loreline/underground/scene/c76e5fe4-ebcf-41e0-a889-a630d0c2e9f3) Source: https://www.youtube.com/watch?v=y1J8BrGcxfo
- **2023-04-06**, A complete bronze applique depicting a Lion dated to the 1st Century B.C, it was found in [scene](https://loreline.live/loreline/underground/scene/7fb16548-057a-4cdf-a0db-15401deeec2c) Source: https://commons.wikimedia.org/wiki/File:A_complete_bronze_applique_depicting_a_Lion_dated_to_the_1st_Century_B.C,_it_was_found_in_a_small_shrine_in_Sumhuram.jpg
- **2023-04-28**, Queen Elizabeth II returns to Aberfan (1997). ITN footage of the 1997 return visit, three decades after the colliery tip collapsed onto the junior school in October 1966. [scene](https://loreline.live/loreline/underground/scene/6d456b81-ea6b-42d9-a31c-0a1f9d604d59) Source: https://www.youtube.com/watch?v=MhJW0qivHa0
- **2023-05-09**, Life inside the Viet Cong tunnels. A cross-section of the Cu Chi tunnel system: kitchens, hospitals, air shafts and trapdoors. [scene](https://loreline.live/loreline/underground/scene/52815d68-421f-4c58-a86a-845bae666ad8) Source: https://www.youtube.com/watch?v=8uZZ9Nru9C4
- **2023-05-15**, Probing the Inner Core with Quakes and Blasts. Science magazine on how seismologists use earthquakes and nuclear-test blasts to study the Pluto-sized solid iron inner core that powers the magnetic field. [scene](https://loreline.live/loreline/underground/scene/45581126-1030-46a9-8f5d-84d6bd12dca0) Source: https://www.youtube.com/watch?v=nfsNPyxA5ck
- **2023-05-20**, Descending into Greenland's ice caves. Serge Aviotte's fourteenth Greenland expedition combines scientific work on the ice sheet with an attempt on his own record for descent into a glacier moulin. [scene](https://loreline.live/loreline/underground/scene/988b444f-1aa9-45aa-b9d2-4510829bbba8) Source: https://www.youtube.com/watch?v=MhBXglZSV8s
- **2023-05-22**, The Laerdal Tunnel. Norway's 24.5km road tunnel, the longest in the world, and the lighting used to fight driver fatigue. [scene](https://loreline.live/loreline/underground/scene/4edfcfad-a633-4112-b7f7-f1d9301a6c6d) Source: https://www.youtube.com/watch?v=3Tm7FLGr0rg
- **2023-05-22**, Forty Years of Learning About Earth's Interior. Barbara Romanowicz reviews what four decades of seismology have established about the deep planet, for the Seismological Society of America. [scene](https://loreline.live/loreline/underground/scene/63b0c572-93fb-455c-a72f-017fd3399d45) Source: https://www.youtube.com/watch?v=_4vNJJSX50Q
- **2023-05-24**, The discovery of the world's biggest cave. British cavers who reached Son Doong in Vietnam in 2009 return to climb the Great Wall of Vietnam and find what lies beyond it. [scene](https://loreline.live/loreline/underground/scene/ad383dc2-4254-421c-83dd-5f77c18247b5) Source: https://www.youtube.com/watch?v=pxOEvVBd6Ow
- **2023-05-24**, How glowworms fish with bioluminescent lines. Waitomo glowworms lower sticky luminous strands from the cave ceiling to trap flying insects drawn to the light. [scene](https://loreline.live/loreline/underground/scene/dd00150e-7fe6-483a-81b2-9ba1e8c87bad) Source: https://www.youtube.com/watch?v=GjW4A-M9L0I
- **2023-06-01**, Tony Freeth on the Antikythera mechanism. The researcher who led the X-ray tomography work explains what the surviving fragments encode. [scene](https://loreline.live/loreline/underground/scene/43625c80-b02d-4bda-8d98-ca2391bb7486) Source: https://www.youtube.com/watch?v=0y-Qxw4DLOY
- **2023-06-10**, St Anthony, the first Desert Father. The Egyptian hermit whose withdrawal into cave and desert shaped Christian monasticism. [scene](https://loreline.live/loreline/underground/scene/a9496fd3-3e03-419c-9899-661bca355de4) Source: https://www.youtube.com/watch?v=M2SA-8gQ7aw
- **2023-06-14**, Petra: lost city of stone. NOVA on how Nabataean engineers cut tombs into cliff faces and channelled water to a desert city. [scene](https://loreline.live/loreline/underground/scene/5321e9d5-3516-4e5a-9297-eee1ae2bfb1e) Source: https://www.youtube.com/watch?v=7PYLVshtJm0
- **2023-06-16**, Inside Onkalo, the World's First Deep Nuclear Repository. DW visits Finland's Onkalo, the only high-level nuclear waste storage site under construction, and the deep-time engineering problem it poses. [scene](https://loreline.live/loreline/underground/scene/7b9da2f2-36bc-43d0-b5ba-3d161ca05f05) Source: https://www.youtube.com/watch?v=QFEd5RkotFE
- **2023-06-20**, Asceticism from the Desert Fathers onward. Dr Erika Sigurdson on the long history of deliberate withdrawal and self-denial in Western thought. [scene](https://loreline.live/loreline/underground/scene/83d11743-37a3-4a42-b800-00a5fd572097) Source: https://www.youtube.com/watch?v=CDp7XPGh65w
- **2023-06-20**, Why Lechuguilla Cave is completely off-limits. Lechuguilla is closed to all but permitted research trips to protect its rare formations and the extremophile microbes that live on them. [scene](https://loreline.live/loreline/underground/scene/e19a3bb1-e70c-46cd-bde8-1ffca26b3faf) Source: https://www.youtube.com/watch?v=RExq-ejSfjw
- **2023-07-13**, The true cost of lithium mining. Mining companies move onto the Andean salt flats, which hold over half the world's known lithium, while local communities fear for their scarce water. [scene](https://loreline.live/loreline/underground/scene/07954aea-4fff-4f7b-8f00-4dfff7aa3ca5) Source: https://www.youtube.com/watch?v=nl0E-UhKB5E
- **2023-07-19**, Pompeii begins its biggest excavation in a generation. BBC News on the reopening of large-scale digging at Pompeii, with a bakery and skeletons already uncovered. [scene](https://loreline.live/loreline/underground/scene/5ce319b6-bec1-4e75-91bc-98fc43008342) Source: https://www.youtube.com/watch?v=IjGsJ1awG94
- **2023-07-26**, Gobekli Tepe: the place that rewrote history. An archaeology-trained explainer of the Turkish site, separating the evidence from the lost-civilisation claims made about it. [scene](https://loreline.live/loreline/underground/scene/0e988515-1c84-4bc3-9363-edae9e327271) Source: https://www.youtube.com/watch?v=xJU973IbG7I
- **2023-08-01**, The Undara lava tubes of Queensland. Undara Volcanic National Park holds one of the most extensive lava flow systems produced by a single eruption anywhere on Earth. [scene](https://loreline.live/loreline/underground/scene/1cba125a-f1f1-4328-bcd4-03389ed5926a) Source: https://www.youtube.com/watch?v=P5SxUfKfme4
- **2023-08-14**, What was the Book of the Dead?. British Museum curator Ilona Regulski explains the funerary papyri and how they were used. [scene](https://loreline.live/loreline/underground/scene/4094cbea-31ab-4cdb-8320-c9efa00bccd9) Source: https://www.youtube.com/watch?v=kRh3H0JXEro
- **2023-08-17**, A 5,300-year-old murder mystery. Palaeopathologist Albert Zink's account of what forensic study of Otzi's body has established. [scene](https://loreline.live/loreline/underground/scene/b3024bbd-cbd9-411e-b85d-b4f1977ec822) Source: https://www.youtube.com/watch?v=mRa0Gi_mRjs
- **2023-08-22**, Secrets beyond the grave: beneath Paris. A documentary episode on the quarry network under Paris and the ossuary it became. [scene](https://loreline.live/loreline/underground/scene/f5458f8c-eddc-4476-9470-7706b494c4d6) Source: https://www.youtube.com/watch?v=40NQwwf2Wp8
- **2023-09-07**, American caver Mark Dickey speaks from underground. Dickey, more than a kilometre down in the Morca cave in southern Turkey with gastrointestinal bleeding, credits the caving community with saving his life. [scene](https://loreline.live/loreline/underground/scene/882e385b-825d-4998-804c-4e1f43e221f5) Source: https://www.youtube.com/watch?v=fwRTbeSHbfc
- **2023-09-12**, American explorer rescued from a deep Turkish cave. Mark Dickey is brought out of Morca cave on 12 September 2023 after more than a week seriously ill underground. [scene](https://loreline.live/loreline/underground/scene/2fc60203-725c-40d5-8ce6-1a14bff912b4) Source: https://www.youtube.com/watch?v=RYyW-zfK2so
- **2023-09-14**, Mark Dickey says he will keep exploring caves. Days after being lifted from Morca cave in Turkey, the rescued caver says the experience has not put him off going underground. [scene](https://loreline.live/loreline/underground/scene/a6b69d74-b920-4b0e-8e8a-efde3d112fa9) Source: https://www.youtube.com/watch?v=GmLB4l0qgMI
- **2023-09-18**, Sixty-nine days underground: the rescue of 33 miners. CNN special report following three of the miners trapped in 100-degree heat half a mile beneath the Atacama Desert. [scene](https://loreline.live/loreline/underground/scene/7b553eec-e170-4910-bb76-f86e3853da9d) Source: https://www.youtube.com/watch?v=8_JSMR-0T4I
- **2023-09-29**, Kazumura Cave, the world's longest lava tube. The Hawaiian lava tube beneath Kilauea runs about 65 kilometres, formed by a single voluminous eruption. [scene](https://loreline.live/loreline/underground/scene/8a25a8ac-5064-4a5f-bfbc-4c46d5fa15e7) Source: https://www.youtube.com/watch?v=V_xVhngUIeA
- **2023-10-07**, Return or retain? The Parthenon Marbles debate. A formal debate on the restitution of the sculptures Lord Elgin removed from Athens, and what museums owe. [scene](https://loreline.live/loreline/underground/scene/f9121cbb-2831-412c-a627-27dc81e14d62) Source: https://www.youtube.com/watch?v=U5VGAVuBm_o
- **2023-10-21**, Aberfan: the fight for justice. Huw Edwards traces the decades-long campaign for accountability after the 1966 tip collapse that killed 144 people, 116 of them children. [scene](https://loreline.live/loreline/underground/scene/56b2bc53-5e9c-4961-8d69-ddfe82481150) Source: https://www.youtube.com/watch?v=B0Pqc3QxXg8
- **2023-10-24**, Tracking Prairie Dogs Underground for the First Time. Smithsonian researchers follow prairie dogs into the burrows where they spend about 70 percent of their lives. [scene](https://loreline.live/loreline/underground/scene/40683750-6200-4e52-ad24-b561a84f1a9e) Source: https://www.youtube.com/watch?v=CgrT_tH8swI
- **2023-10-24**, A tour of the ancient Greek Underworld. The geography of Hades as the Greeks described it: the rivers, the ferryman, the fields of the dead. [scene](https://loreline.live/loreline/underground/scene/911695bf-79ec-4fc9-9f24-3ae88401cafb) Source: https://www.youtube.com/watch?v=LBALm7CeEG4
- **2023-11-01**, The battle against white-nose syndrome. The fungus has killed nine in ten little brown, northern long-eared and tricoloured bats across the United States and Canada, forcing cave closures. [scene](https://loreline.live/loreline/underground/scene/1f30bc30-ac2b-4781-84a0-6d6a6c56a3ad) Source: https://www.youtube.com/watch?v=Ui5xdN2w-LI
- **2023-11-02**, What can cave paintings tell us about our ancestors?. BBC Earth on how prehistoric images are read as evidence of belief, memory and social life. [scene](https://loreline.live/loreline/underground/scene/83d398bb-3d81-4db5-904f-70b7bdb807a3) Source: https://www.youtube.com/watch?v=zmKODf10y5c
- **2023-11-05**, Sanxingdui: discovery of a lost Bronze Age civilisation. A UCLA symposium on the Sanxingdui site and its place in Chinese archaeology. [scene](https://loreline.live/loreline/underground/scene/ad6d1361-f98e-4da1-8f89-9e71342cff74) Source: https://www.youtube.com/watch?v=Ir2kAC9_vnI
- **2023-11-06**, France's Cosquer cave: 20,000 years under the sea. The only submerged painted cave known, 37 metres down near Marseille, with horses, bison, ibex and penguins on its walls. [scene](https://loreline.live/loreline/underground/scene/6942c538-dce8-4173-ad97-1c96e2aa1c9e) Source: https://www.youtube.com/watch?v=esFXWbx5hKE
- **2023-11-08**, Castlerigg Aerial - Adam Morgan Ibbotson. Castlerigg Stone Circle as seen from the sky to the north, looking towards the Thirlmere Valley. [scene](https://loreline.live/loreline/underground/scene/c1b9eebf-f2b8-4a38-9d57-95fb2c6af166) Source: https://commons.wikimedia.org/wiki/File:Castlerigg_Aerial_-_Adam_Morgan_Ibbotson.jpg
- **2023-11-13**, Mycorrhizal Fungi: The Roots of Life on Land. Narrated by Merlin Sheldrake, an animated account of how the plant-fungus partnership evolved and made land plants possible. [scene](https://loreline.live/loreline/underground/scene/4f4953f5-fe35-4158-806c-012e9bda8b92) Source: https://www.youtube.com/watch?v=0-hS4HoW5fM
- **2023-11-19**, Inside the global race for lithium. FT film following the lithium supply chain from Chile to Norway and the United Kingdom, and the disputes it has generated. [scene](https://loreline.live/loreline/underground/scene/9ade66d5-d710-4d22-ae84-b0243cbde18c) Source: https://www.youtube.com/watch?v=S-KBsPOZJF8
- **2023-11-30**, Hidden Secrets of Pompeii. Archaeologists open new digs at Pompeii, examining a sacrificial skull and crawling through the site's underground tunnels. [scene](https://loreline.live/loreline/underground/scene/1fbfa4af-4d81-4218-9407-e8c21208f949) Source: https://www.youtube.com/watch?v=sqfQXL8gxGE
- **2023-12-05**, The Kola Well, Explained in 3D. A 3D-animated breakdown of the science of the Kola Superdeep Borehole, its 12,226 m depth and the cost of reaching it. [scene](https://loreline.live/loreline/underground/scene/2b39a2aa-8614-48cd-80e0-55d524524d68) Source: https://www.youtube.com/watch?v=61MrW3vfkfE
- **2023-12-10**, The mystery of the giant crystals. Feature documentary following the research into how the giant gypsum crystals beneath the Mexican desert formed. [scene](https://loreline.live/loreline/underground/scene/2ec3a8d2-be46-46d4-93b3-b7a677123159) Source: https://www.youtube.com/watch?v=L004QOLGZtk
- **2023-12-23**, The Seikan Tunnel explained. The undersea rail tunnel beneath the Tsugaru Strait linking Honshu to Hokkaido. [scene](https://loreline.live/loreline/underground/scene/87f0216d-f0d1-4ec5-9bc6-3cf498a7a7eb) Source: https://www.youtube.com/watch?v=KTrXoQctO5A
- **2023-12-23**, Dead Sea Scroll Detectives. NOVA follows scientists using imaging and chemistry to test newly surfaced scroll fragments for forgery. [scene](https://loreline.live/loreline/underground/scene/f9de3db1-a737-46ad-b665-b1499019f103) Source: https://www.youtube.com/watch?v=INV9eLQa7Jc
### 2024
- **2024-01-14**, Inside a Termite Fortress. BBC Earth on the underground architecture of a termite mound and how its engineering survives flooding. [scene](https://loreline.live/loreline/underground/scene/48f18bc4-1f24-4b69-acbf-068c58f1a48d) Source: https://www.youtube.com/watch?v=23N1mOm9Cv0
- **2024-01-16**, How the Channel Tunnel works. An engineering account of the undersea tunnel on its 30th anniversary, from the chalk marl to the service tunnel. [scene](https://loreline.live/loreline/underground/scene/daf4936f-fc9f-4e25-b8c0-595362fd0f0e) Source: https://www.youtube.com/watch?v=KclYKAnaJ_k
- **2024-01-17**, The Channel Tunnel at thirty. The B1M on building the world's longest undersea link between Britain and France. [scene](https://loreline.live/loreline/underground/scene/39d87032-181b-4eed-8fd5-7da16d008f46) Source: https://www.youtube.com/watch?v=gAPahZAapMQ
- **2024-01-20**, Petra's hidden origins. Albert Lin traces the Nabataeans who carved the rock-cut facades of Petra. [scene](https://loreline.live/loreline/underground/scene/11ce1ba6-29dc-40b1-9484-4cca0dc2da45) Source: https://www.youtube.com/watch?v=Ja110qpd0wU
- **2024-01-21**, Mysticism in ancient Greece. Sacred rites and esoteric belief across the Hellenic world, from Eleusis to Orphism. [scene](https://loreline.live/loreline/underground/scene/3753309c-4711-43ff-97dd-51781bc462ee) Source: https://www.youtube.com/watch?v=stUXFuN-6T4
- **2024-01-23**, The Parthenon Marbles and cultural repatriation. A short briefing on ownership, appropriation and the repatriation argument facing Western museums. [scene](https://loreline.live/loreline/underground/scene/45ec3528-8e0a-4867-a5e9-1ec636a4dd1f) Source: https://www.youtube.com/watch?v=zHlySjWzlHw
- **2024-01-24**, Otzi the Iceman: a 5,000-year-old murder. NOVA reconstructs the Copper Age mummy found in the Otztal Alps in 1991 and the arrow wound that killed him. [scene](https://loreline.live/loreline/underground/scene/4f93aaa6-7c6d-4cbb-b09b-ba05d748186a) Source: https://www.youtube.com/watch?v=Lr9jXJE363w
- **2024-02-02**, Inside the Greenbrier bunker. The congressional fallout shelter built under a West Virginia resort and kept secret for three decades. [scene](https://loreline.live/loreline/underground/scene/45856689-5cb6-4e5e-b5b4-592c9eb8115f) Source: https://www.youtube.com/watch?v=sIS8llItwiA
- **2024-02-25**, Drain the Oceans: the Tham Luang cave. A 3D survey of the Tham Luang cave system reconstructs the geometry that made the 2018 rescue so difficult. [scene](https://loreline.live/loreline/underground/scene/ccc189ff-836f-4d8e-b56b-d44ec4cc5624) Source: https://www.youtube.com/watch?v=Y8ePgiD8oiI
- **2024-02-26**, Descending through Rome at San Clemente. Beneath a medieval church lie a 4th-century basilica and a Mithraeum, stacked in one shaft of time. [scene](https://loreline.live/loreline/underground/scene/8826750b-cce6-4459-b7a2-91992fb098a2) Source: https://www.youtube.com/watch?v=JFEn8P0DVCI
- **2024-03-12**, The Ario dream: cave divers in the Picos de Europa. Paul Diffley's film on the exploration of the deep Ario caves in northern Spain, where divers push sumps from which rescue would be impossible. [scene](https://loreline.live/loreline/underground/scene/ccf7c0e4-f1dc-4496-b453-a4d5944c6dd9) Source: https://www.youtube.com/watch?v=NL4_mz8gwOA
- **2024-03-14**, Why was the Rosetta Stone so important?. How scholars used the stone's parallel Greek text to unlock Egyptian hieroglyphs. [scene](https://loreline.live/loreline/underground/scene/76879bf2-722e-4393-a942-ecbe134b6187) Source: https://www.youtube.com/watch?v=Z8dZSySRX_g
- **2024-03-16**, Bingham Canyon, the largest excavation in human history. The Utah open pit, the biggest in the world, has been dug miles wide and deep in pursuit of copper. [scene](https://loreline.live/loreline/underground/scene/78d672b6-ad12-4667-be53-3d0fa6e71ebf) Source: https://www.youtube.com/watch?v=M0rXA8BSb0E
- **2024-03-16**, Iceman Reborn. NOVA follows the making of an exact 3D-printed replica of Otzi and the science behind the original body. [scene](https://loreline.live/loreline/underground/scene/f34c5e37-7b8f-40d5-b6f3-7b55d493f4ed) Source: https://www.youtube.com/watch?v=owQ7NOixuaI
- **2024-03-21**, The underground cities of the Byzantine Empire. How the volcanic tuff of Cappadocia was hollowed into multi-level cities during the Byzantine period. [scene](https://loreline.live/loreline/underground/scene/40c5c827-1e46-4531-9969-7f2d5ffcc529) Source: https://www.youtube.com/watch?v=zs-zATBh_Ho
- **2024-03-21**, Hydraulic mining and the California gold rush. Museum explainer on how placer panning gave way to hydraulic monitors that stripped whole hillsides into the rivers. [scene](https://loreline.live/loreline/underground/scene/de303712-1294-4b7c-adfe-4591127f748a) Source: https://www.youtube.com/watch?v=0VUjZnk_k_c
- **2024-03-25**, Why NASA is interested in an upside-down cave. Lechuguilla and Carlsbad, dissolved upward by sulphuric acid beneath the Chihuahuan Desert, host microbes that interest astrobiologists. [scene](https://loreline.live/loreline/underground/scene/cdc50aba-17b2-4dad-8d39-be0ca65bb55d) Source: https://www.youtube.com/watch?v=Mtpg1e4un-w
- **2024-04-10**, Who was buried in the Royal Tombs of Ur?. An evidence-led look at the identity of the occupants of the Ur death pits and the sequence of their reigns. [scene](https://loreline.live/loreline/underground/scene/ebab1223-f53c-40a3-a8aa-a8e08d163983) Source: https://www.youtube.com/watch?v=ZrjZAWCr_XY
- **2024-05-01**, Mapping Mycorrhizal Fungi in a War Zone. Ukrainian researchers led by Oleh Prylutskyi sample soil fungi for metabarcoding under wartime conditions as part of a global mapping effort. [scene](https://loreline.live/loreline/underground/scene/d698eb52-58e8-421f-8e8f-3125f05adcaa) Source: https://www.youtube.com/watch?v=1HIy8gkn7qs
- **2024-05-03**, Why 2024's Cicada Emergence Was So Rare. BBC on the 2024 dual emergence, when a 13-year and a 17-year periodical cicada brood surfaced in the same season. [scene](https://loreline.live/loreline/underground/scene/2d7c4a95-e5e0-4ea9-9764-8acc3a908d98) Source: https://www.youtube.com/watch?v=qUwG9VN2YPk
- **2024-05-14**, How the Wood Wide Web Helps Trees Communicate. DW's On the Green Fence examines the underground fungal network connecting trees and how much of the popular claim holds up. [scene](https://loreline.live/loreline/underground/scene/391c9236-fac4-4751-bcb9-5f73c547b2c3) Source: https://www.youtube.com/watch?v=CnTeyEmN28s
- **2024-05-14**, What Is Soil and Why Does It Matter?. A Natural History Museum soil scientist explains what soil is made of and the life it holds. [scene](https://loreline.live/loreline/underground/scene/e050f625-d89b-4dc2-9a6b-f3482e865f64) Source: https://www.youtube.com/watch?v=n5yVNQAOjC0
- **2024-05-19**, Why does Derinkuyu exist?. An on-site exploration of the Cappadocian refuge city, its ventilation shafts and its wells. [scene](https://loreline.live/loreline/underground/scene/e6a9527c-1646-468d-892c-b9d0f71baa79) Source: https://www.youtube.com/watch?v=dNFJgkVEncw
- **2024-05-20**, Circular platform near Las Pilas. Circular threshing floor near the Las Pilas mountain on La Gomera. The platform is made of selected rocks cemented with mortar. It is a near-perfect circle. Nearby is a farm ruin. Few hundred meters S. [scene](https://loreline.live/loreline/underground/scene/481b01fc-4768-46ea-b29e-531c7005945b) Source: https://commons.wikimedia.org/wiki/File:Circular_platform_near_Las_Pilas.jpg
- **2024-05-29**, Pompeii: The New Dig - the pyroclastic flow. Volcanologist Chris Jackson reads the tell-tale signs of the pyroclastic surge that killed everything in its path at Pompeii. [scene](https://loreline.live/loreline/underground/scene/bfbd25e4-86de-4303-a2ec-8d073e932b6e) Source: https://www.youtube.com/watch?v=f-doAnx4dXE
- **2024-06-11**, The Largest Magma Body on the Planet. On the Altiplano-Puna Magma Body, a roughly 500,000 cubic kilometre reservoir of partially molten rock beneath the central Andes. [scene](https://loreline.live/loreline/underground/scene/c8911de5-4425-4203-bd2e-e23ae8bfaacd) Source: https://www.youtube.com/watch?v=Gv8B4B2lhjE
- **2024**, 146375 israel lands management authority inscription on PikiWiki Israel. Name: Israel Lands Management Authority Inscription On Description: Israel Lands Management Authority Inscription On Ancient Tomb In Mamilla Cemetery. [scene](https://loreline.live/loreline/underground/scene/ef23429c-93c4-4712-992f-cb7eabf36545) Source: https://commons.wikimedia.org/wiki/File:146375_israel_lands_management_authority_inscription_on_PikiWiki_Israel.jpg
- **2024-06-25**, Cobalt mining is still a dangerous job in Congo. Southern DRC holds roughly four million tonnes of cobalt, near half the known world supply, yet remains among the poorest countries on Earth. [scene](https://loreline.live/loreline/underground/scene/9217a128-631d-42e5-82bc-65081022b8c0) Source: https://www.youtube.com/watch?v=MxKqVY2Sa6w
- **2024-07-03**, Three things to know about Onkalo. The US Department of Energy summarises the first licensed deep geological repository for spent nuclear fuel. [scene](https://loreline.live/loreline/underground/scene/46d5ca8a-b793-4024-96f3-331ea7ba6c99) Source: https://www.youtube.com/watch?v=BNZ0B2OmGTU
- **2024-07-19**, Escape over the Berlin Wall, 1965. ITN archive on Stanislaus Gefroerer's climb out of East Berlin on 20 September 1965. [scene](https://loreline.live/loreline/underground/scene/09d68d8a-91df-410c-ae89-2c9a5e7b09bb) Source: https://www.youtube.com/watch?v=ERD6mygXITk
- **2024-07-24**, Touring the Paris Catacombs. NBC descends 65 feet with a historian to see the ossuary beneath the city. [scene](https://loreline.live/loreline/underground/scene/3a56d842-980e-432e-ab70-d9d178b2d64b) Source: https://www.youtube.com/watch?v=Txl_OgFwni4
- **2024-07-29**, Tutankhamun: the greatest archaeological discovery. History Hit's account of 4 November 1922, when Howard Carter's diary recorded 'First steps of Tomb Found' in the Valley of the Kings. [scene](https://loreline.live/loreline/underground/scene/986c5e90-7366-4277-b478-02b206c4088f) Source: https://www.youtube.com/watch?v=_YT_CYR6vGs
- **2024-08-04**, Drilling Into an Active Volcano at Krafla. BBC News on the Icelandic project preparing to drill into Krafla's magma to learn how to forecast eruptions. [scene](https://loreline.live/loreline/underground/scene/f6161558-b4dc-402d-8d95-61c06ef27f2c) Source: https://www.youtube.com/watch?v=ci4zeAqYMUc
- **2024-08-10**, Buried secrets of the gold rush. National Geographic on the California and Klondike gold rushes and the wrecked ships that carried men and gold west. [scene](https://loreline.live/loreline/underground/scene/82b9f234-20c7-49e4-9307-30f08beaf5e7) Source: https://www.youtube.com/watch?v=xGc3DiiTmH8
- **2024-10-03**, There Is Life Hiding Inside Earth. Kurzgesagt on the deep biosphere: the vast microbial population living kilometres down in rock, and how much of Earth's biomass it represents. [scene](https://loreline.live/loreline/underground/scene/a8cfd7e2-ea11-49e9-8373-7eff92368558) Source: https://www.youtube.com/watch?v=VD6xJq8NguY
- **2024-10-26**, Lava Tubes of Jeju - JejuLavaTubes2471. Interior of a lava tube cave, with a sign marking the '2nd Dragon's Door' formation and a wooden walkway for visitors. [scene](https://loreline.live/loreline/underground/scene/cca80419-8a2f-4fcd-861f-d5d03ecc9c89) Source: https://commons.wikimedia.org/wiki/File:Lava_Tubes_of_Jeju_-_JejuLavaTubes2471.jpg
- **2024-10-29**, A Maya city found by accident in the Mexican jungle. Pyramids, ball courts and causeways revealed under canopy by a laser survey a student found in an online dataset. [scene](https://loreline.live/loreline/underground/scene/ebb67c41-5971-4d78-9c6b-0fe40fda1a0f) Source: https://www.youtube.com/watch?v=uXVL395hvfA
- **2024-12-15**, Was the Oracle of Delphi stoned on vapours?. Archaeologist Flint Dibble weighs the geological gas hypothesis against the actual evidence from the sanctuary. [scene](https://loreline.live/loreline/underground/scene/327dd4f1-4719-4f68-bf0d-38cdd47d5a03) Source: https://www.youtube.com/watch?v=DWHkwsOIeI4
- **2024-12-16**, Chauvet: unlocking France's prehistoric past. France 24 marks thirty years since three explorers found the cave often called the Sistine Chapel of prehistory. [scene](https://loreline.live/loreline/underground/scene/0331b608-3089-4dad-bad9-736e9e2e2776) Source: https://www.youtube.com/watch?v=9Qoo0XqB2ps
- **2024-12-19**, Mapping and Protecting the World's Mycorrhizal Fungi. Bethan Manley of SPUN on using machine learning and global sampling to locate underground fungal diversity hotspots. [scene](https://loreline.live/loreline/underground/scene/bfbbe4e0-3575-4ce8-9941-578ca10dafb2) Source: https://www.youtube.com/watch?v=RKdSC7WJnlE
### 2025
- **2025-01-04**, The Tomb of Tutankhamun. Imaging technology probes the treasures from Tutankhamun's tomb while a team searches for the quarry that supplied it. [scene](https://loreline.live/loreline/underground/scene/2c033724-c866-4fda-b3c0-3a1e6d3e5b5c) Source: https://www.youtube.com/watch?v=B2GV_QGb5_g
- **2025-01-15**, Police end the Stilfontein mine rescue with 78 dead. South African police close the operation at the abandoned Stilfontein gold mine: 78 undocumented miners confirmed dead, 246 brought out alive, others unaccounted for. [scene](https://loreline.live/loreline/underground/scene/75cdadee-2698-4f9f-bed9-6ed6ce1d15a9) Source: https://www.youtube.com/watch?v=RbV6zRQmMKs
- **2025-01-17**, The Imminent Megaquake in the Pacific Northwest. University of Oregon researchers on the 26 January 1700 Cascadia earthquake, recorded by a tsunami in Japan and by drowned coastal forests. [scene](https://loreline.live/loreline/underground/scene/892e99b8-caa5-4eac-ab32-8e617b28fb43) Source: https://www.youtube.com/watch?v=E5WBocwLM04
- **2025-01-17**, A once-in-a-century find at Pompeii. BBC News on the discovery of a large private bathhouse in the ongoing Regio IX excavation. [scene](https://loreline.live/loreline/underground/scene/f7454042-a671-4513-837b-47174cabf05d) Source: https://www.youtube.com/watch?v=wPMmQ3kNCgE
- **2025-01-26**, Collection Georges Pradines spéléologue. Echantillons de la collection du spéléologue Georges Pradines (1855-1896) et pavillon de stockage de sa collection dans sa maison de famille route de Cahors, Limogne-en-quercy (46260). [scene](https://loreline.live/loreline/underground/scene/a321d763-aab4-4dd0-946b-403a4dc01e10) Source: https://commons.wikimedia.org/wiki/File:Collection_Georges_Pradines_sp%C3%A9l%C3%A9ologue.jpg
- **2025-02-12**, The British cave rescue divers honoured. Award programme telling how the Wild Boars team were driven deeper into the 10km Tham Luang complex by floodwater and how the divers reached them. [scene](https://loreline.live/loreline/underground/scene/486592b2-7a21-4768-90ce-bba3761b83ed) Source: https://www.youtube.com/watch?v=Hok_qI7V2hg
- **2025-02-19**, The engineering behind the world's longest tunnel. How 25 million tonnes of rock were moved to drive the Gotthard Base Tunnel through the Alps. [scene](https://loreline.live/loreline/underground/scene/5bae91dd-e61d-4dae-947f-dc3365e7311e) Source: https://www.youtube.com/watch?v=CVAc3wuSye8
- **2025-02-20**, The tomb of Thutmose II found. NBC News on the first royal Egyptian tomb discovery since Tutankhamun's in 1922. [scene](https://loreline.live/loreline/underground/scene/82f87ab6-d177-4aae-b265-7a07098221a8) Source: https://www.youtube.com/watch?v=cSoEaYmnrx8
- **2025-02-28**, The cult of Mithras and London's lost temple. The London Mithraeum and the underground initiatory cult that met in windowless rooms across the Roman empire. [scene](https://loreline.live/loreline/underground/scene/7de0640c-cad2-4a4f-9d39-782985180cff) Source: https://www.youtube.com/watch?v=FCuqhTdxRvQ
- **2025-03-01**, Geothermal Energy Is Changing. Real Engineering on Quaise Energy's millimetre-wave drilling, an attempt to reach supercritical geothermal resource depths that conventional bits cannot. [scene](https://loreline.live/loreline/underground/scene/ac6df337-5d16-4bd4-9f05-6c96be3d8dcb) Source: https://www.youtube.com/watch?v=b_EoZzE7KJ0
- **2025-03-10**, Harriet Tubman: Visions of Freedom. PBS on the woman who returned repeatedly into slave territory along the Underground Railroad. [scene](https://loreline.live/loreline/underground/scene/7efbc692-a24f-4c5f-9bf3-ca30687611b9) Source: https://www.youtube.com/watch?v=XcnBBAK-vjk
- **2025-03-11**, The Graveyard at the Center of the Earth. PBS Eons on the slabs of subducted ocean floor that sink to the core-mantle boundary and pile up there. [scene](https://loreline.live/loreline/underground/scene/2209186e-c251-4e49-b731-eae53004cba4) Source: https://www.youtube.com/watch?v=din1J2mZmc4
- **2025-03-11**, Sanxingdui: the discovery that rewrote Chinese history. An evidence-led account of the bronze masks, gold sceptres and jade from the Sichuan sacrificial pits. [scene](https://loreline.live/loreline/underground/scene/fe741529-7926-45b0-b790-34087c356fb9) Source: https://www.youtube.com/watch?v=diJQvaHAmmg
- **2025-03-12**, Inside the new excavations at Pompeii. NBC reports from the once-in-a-generation dig underway in the buried Roman city. [scene](https://loreline.live/loreline/underground/scene/dff958be-75f7-4b89-990e-6260df4f0786) Source: https://www.youtube.com/watch?v=e_MzLL_mAGo
- **2025-03-13**, Replicating Lascaux. The facsimile programme built to let visitors see the paintings while the original stays sealed against microbial damage. [scene](https://loreline.live/loreline/underground/scene/1603ddfd-916b-4083-9984-1e1cca949642) Source: https://www.youtube.com/watch?v=TWnxqvY3YOs
- **2025-03-16**, The geology of Carlsbad Caverns. How the Permian reef of the Guadalupe Mountains became the Carlsbad cave system, and how speleothems form inside it. [scene](https://loreline.live/loreline/underground/scene/0ec6ab53-e86b-4699-a9c5-63c3511843db) Source: https://www.youtube.com/watch?v=YJJvUMNWOuU
- **2025-03-26**, Inside Son Doong: a cave with a forest, a river and clouds. Filmed expedition through Son Doong in Vietnam, which is large enough to hold its own jungle, watercourse and internal weather. [scene](https://loreline.live/loreline/underground/scene/b5e46d3c-c47a-42e4-8d40-5fd970e1f51f) Source: https://www.youtube.com/watch?v=87Jor5G_NBs
- **2025-03-27**, Jay Famiglietti on GRACE and the Global Water Crisis. The former NASA JPL water scientist on how gravity satellites revealed the scale of groundwater depletion. [scene](https://loreline.live/loreline/underground/scene/7359b740-809d-440e-b1bc-bac9d5dca582) Source: https://www.youtube.com/watch?v=Ee1xAsTvrrY
- **2025-03-31**, Mammoth Cave: a way to wonder. Hour-long PBS documentary on Mammoth Cave National Park, the world's longest known cave system, from prehistoric Native American use onward. [scene](https://loreline.live/loreline/underground/scene/7d7c243c-e683-4983-9d53-9ee643d633a4) Source: https://www.youtube.com/watch?v=1xvgJqHO8Hg
- **2025-04-02**, Chiremba Balancing Rocks - Harare3514. Prehistoric rock paintings depicting human and animal figures on a sandstone surface at Chiremba Balancing Rocks. [scene](https://loreline.live/loreline/underground/scene/904515a8-5586-4e78-bbf1-75d79fb65d3c) Source: https://commons.wikimedia.org/wiki/File:Chiremba_Balancing_Rocks_-_Harare3514.jpg
- **2025-04-03**, The Big Business of Drilling Deep Into the Earth. Bloomberg on next-generation geothermal, where fracking technology is being repurposed to open sites previously off-limits. [scene](https://loreline.live/loreline/underground/scene/8f2371d8-855c-43d8-af00-94a7284eaf35) Source: https://www.youtube.com/watch?v=xM31ZUv5Bqg
- **2025-04-06**, The salt mines of Wieliczka. A tour of the Wieliczka workings in the Carpathian foothills, with their salt lakes, caverns, chapels and carved figures. [scene](https://loreline.live/loreline/underground/scene/dda55318-fabe-483d-8f01-83edd68a11e8) Source: https://www.youtube.com/watch?v=3AWy7JkzIAc
- **2025-04-12**, New discoveries in the Christian catacombs of Rome. A research update on the history, imagery and epigraphy of the Roman catacombs. [scene](https://loreline.live/loreline/underground/scene/5fc51e7f-78b3-48a5-82cf-c9bfad765f4a) Source: https://www.youtube.com/watch?v=-9eRzXObhMg
- **2025-04-17**, The forest was full of cities we couldn't see. How airborne LiDAR changed archaeology, and where its results have been over-read. [scene](https://loreline.live/loreline/underground/scene/bf6db274-4c58-4c07-8962-fce312e1d48c) Source: https://www.youtube.com/watch?v=--WuD_2BijM
- **2025-04-23**, The Underground Network That Helps Forests Survive. NOVA on the mycelial networks beneath forests and how fungi move nutrients between trees. [scene](https://loreline.live/loreline/underground/scene/7370c531-66e3-4531-a40d-8a7758c0dfcf) Source: https://www.youtube.com/watch?v=5I-LtTCNviE
- **2025-05-04**, Caving expedition, Palawan 2025. Field footage from a 2025 caving expedition on Palawan in the Philippines. [scene](https://loreline.live/loreline/underground/scene/2db456dc-9460-4217-8292-1785b8a0cab2) Source: https://www.youtube.com/watch?v=P0vujpBh3vE
- **2025-05-04**, Intraterrestrials: Hunting Life Beneath the Surface. Microbiologist Karen Lloyd introduces her firsthand account of searching for the microbes that live inside the Earth's crust. [scene](https://loreline.live/loreline/underground/scene/92b21c3f-89db-49e3-86de-e830a5c4861b) Source: https://www.youtube.com/watch?v=JHABOKnigPQ
- **2025-05-06**, Earthworm Ecology with Nick Henshue. A soil ecologist on what earthworms actually do to soil structure, and why the answer differs between a garden and a forest. [scene](https://loreline.live/loreline/underground/scene/33fa9cef-278a-4dc9-a8f1-21381dcba4fd) Source: https://www.youtube.com/watch?v=UMGRLD5lmkQ
- **2025-05-15**, Altamira and the controversy that rewrote history. How the Cantabrian cave's paintings were dismissed as forgery for decades before being accepted as Palaeolithic. [scene](https://loreline.live/loreline/underground/scene/321252e7-e07d-4d59-9bba-471a4e8bf45f) Source: https://www.youtube.com/watch?v=7gv_SSRMjuw
- **2025-05-20**, Darwin's Unexpected Final Obsession. PBS Eons on the earthworm, the subject of Darwin's last book in 1881, and his argument that worms remake the soil of the whole land surface. [scene](https://loreline.live/loreline/underground/scene/1ce805e7-be7a-49e2-924a-0afd15b9824e) Source: https://www.youtube.com/watch?v=hEkbSV8aYrs
- **2025-05-31**, The First Emperor's mega-tomb. Albert Lin uses remote sensing on the unexcavated burial mound of Qin Shi Huang, guarded by the Terracotta Army. [scene](https://loreline.live/loreline/underground/scene/4e01f756-ffa0-4798-bd31-e82f56ceff7c) Source: https://www.youtube.com/watch?v=-6Ia-SEidBA
- **2025-05-31**, The rock-hewn churches of Lalibela. The Met on the Ethiopian churches carved downward into volcanic rock rather than built up from it. [scene](https://loreline.live/loreline/underground/scene/fb572953-4bff-45e8-8d22-22020c72ab2e) Source: https://www.youtube.com/watch?v=zE5Qd26R9ek
- **2025-06-03**, Yellowstone's Magma Chamber: A Hot Mess. The Yellowstone Volcano Observatory's monthly update on what is actually known about the magma system heating the park's hydrothermal features. [scene](https://loreline.live/loreline/underground/scene/7ebe3154-9a07-4ca2-9ee9-64193c38b12f) Source: https://www.youtube.com/watch?v=MxIp9BRc510
- **2025-06-04**, Thai cave rescue. NOVA follows the July 2018 operation in which international cave divers brought twelve boys and their football coach out of the flooded Tham Luang cave. [scene](https://loreline.live/loreline/underground/scene/5d81b55a-2bf9-42e2-b4a6-abd67fcaf9f5) Source: https://www.youtube.com/watch?v=05LHf5lzfXg
- **2025-06-08**, Anclote river mound plaque. The information sign marking the location of an indigenous shell midden at the mouth of the Anclote River, in west-central Florida. [scene](https://loreline.live/loreline/underground/scene/dd0ed0e0-9b1e-4fdd-9ea5-d6e3ffd911b5) Source: https://commons.wikimedia.org/wiki/File:Anclote_river_mound_plaque.jpg
- **2025-07-03**, Cascadia: Why the Risk Estimate Keeps Getting Worse. PBS Terra on newer research into the Cascadia megathrust and what it changes about the expected rupture. [scene](https://loreline.live/loreline/underground/scene/78d80830-1d72-47c4-ac01-96401a8c9924) Source: https://www.youtube.com/watch?v=89uVoIN5ZH4
- **2025-07-05**, An Earthworm in its Natural Habitat at Kyabobo National Park. An earthworm moving across a damp, rich soil in the forest. [scene](https://loreline.live/loreline/underground/scene/c8268856-2720-4b64-9072-0de8fc9d71be) Source: https://commons.wikimedia.org/wiki/File:An_Earthworm_in_its_Natural_Habitat_at_Kyabobo_National_Park.jpg
- **2025-07-07**, Underground Connections: How Mycorrhizal Fungi Shape Ecosystems. A University of Sheffield researcher on the nutrient trade between plants and mycorrhizal fungi, and on what that partnership does and does not do. [scene](https://loreline.live/loreline/underground/scene/9484f649-4200-4463-b3ba-35a4ab9aa265) Source: https://www.youtube.com/watch?v=1e_1EKvh6hk
- **2025-07-08**, The greatest historical discoveries of 2024-2025. An evidence-based round-up of the year's finds and the reanalyses that changed accepted chronology. [scene](https://loreline.live/loreline/underground/scene/5c2f5317-3646-4ca0-b2ea-b61176d2995f) Source: https://www.youtube.com/watch?v=mvfJfUUrWSw
- **2025-07-08**, The history of the Mammoth Cave guides. On the enslaved Black cave guides who mapped much of Mammoth Cave's 400 known miles and made it one of America's earliest tourist attractions. [scene](https://loreline.live/loreline/underground/scene/dd108bb9-1f62-472f-8fbc-52e7c4515608) Source: https://www.youtube.com/watch?v=65zdke6ktUM
- **2025-07-12**, Inside the world's first nuclear waste tomb. A visit to Onkalo, cut into Finnish bedrock to hold spent fuel permanently. [scene](https://loreline.live/loreline/underground/scene/37b6e3b1-0555-493e-8ce8-30e3b5982534) Source: https://www.youtube.com/watch?v=4mH5OKyE-C0
- **2025-07-15**, The Four Most Ruthless Ants We've Ever Filmed. Deep Look's macro footage of fire ants, kidnapper ants, honeypot ants and Argentine ants, and the underground colonies they run. [scene](https://loreline.live/loreline/underground/scene/8e425736-1aaa-4db3-931c-9b87878cf127) Source: https://www.youtube.com/watch?v=RBqt5egv6go
- **2025-07-20**, Secrets of Pompeii's Dead. National Geographic examines new excavation evidence from Pompeii and Herculaneum identifying victims of the AD 79 Vesuvius eruption. [scene](https://loreline.live/loreline/underground/scene/fb336152-8e7b-4027-858c-c31e91858536) Source: https://www.youtube.com/watch?v=NP4RrJCYFGs
- **2025-07-24**, Polymetallic nodules: life-giver or energy future?. Filmmakers were mid-shoot on the seabed nodules when researchers announced in July 2024 that the rocks appeared to be producing oxygen in the abyss. [scene](https://loreline.live/loreline/underground/scene/4ef6e959-13ee-4ffc-a8d3-f4715ab17318) Source: https://www.youtube.com/watch?v=1jcmfjDtS1Q
- **2025-07-25**, What Is the Impact of Lithium Mining?. BBC News on lithium extraction from brine beneath Chile's Atacama and the water cost of pulling it up. [scene](https://loreline.live/loreline/underground/scene/8a23644d-d33a-4c1a-a012-eb9bccd614a0) Source: https://www.youtube.com/watch?v=hthe8OqRmcs
- **2025-07-27**, Five discoveries from Pompeii's new excavations. A tour of finds from the ongoing Regio IX, Insula 10 excavation, filmed with access from the Pompeii Archaeological Park. [scene](https://loreline.live/loreline/underground/scene/40039a9f-c795-488e-83f4-181fb9026822) Source: https://www.youtube.com/watch?v=7FI1oGbQAwo
- **2025-07-29**, The science behind giant sinkholes. BBC World Service on why the ground collapses without warning, and how karst dissolution sets the stage decades in advance. [scene](https://loreline.live/loreline/underground/scene/3e87b9e0-e81c-4c9e-ad36-0952d550124e) Source: https://www.youtube.com/watch?v=XynCgwOyWso
- **2025-08-10**, The oldest temple in the world. Palaeoanthropologist Ella Al-Shamahi visits Gobekli Tepe for the BBC. [scene](https://loreline.live/loreline/underground/scene/ae7ac283-0c66-44ed-9614-620b5beb95f3) Source: https://www.youtube.com/watch?v=n-phVB-EmR8
- **2025-08-13**, Calthemite formation on a wall at Most Holy Trinity Cemetery, Brooklyn, New York, US [scene](https://loreline.live/loreline/underground/scene/4f33a07a-c19f-4a17-8734-78048ea11e8d) Source: https://commons.wikimedia.org/wiki/File:Calthemite_formation_on_a_wall_at_Most_Holy_Trinity_Cemetery,_Brooklyn,_New_York,_US.jpg
- **2025-08-17**, Budapest's Millennium Underground. Continental Europe's oldest metro line, opened in 1896, still running in its shallow cut-and-cover box. [scene](https://loreline.live/loreline/underground/scene/8bb834b3-3831-452d-80d8-8394b9bb5f8f) Source: https://www.youtube.com/watch?v=BU1hpCignsY
- **2025-08-18**, A Swedish Arctic town moves its church for the mine. Reuters on the two-day relocation of Kiruna's 113-year-old church to make way for expansion of the world's biggest underground iron ore mine. [scene](https://loreline.live/loreline/underground/scene/fa3fe4cd-d594-497f-a816-af68f46b39be) Source: https://www.youtube.com/watch?v=HiuC3Q6m0-o
- **2025-08-19**, Kiruna church is moved before the mine swallows it. AP films the Kiruna Church and its belfry being hauled five kilometres east to the new town centre in August 2025. [scene](https://loreline.live/loreline/underground/scene/47e45613-664c-458f-946d-20998104ed23) Source: https://www.youtube.com/watch?v=BVwkyRBjaBU
- **2025-08-28**, The lost tunnels of the Wieliczka salt mine. Beneath Wieliczka in southern Poland run more than 180 miles of workings, including chapels and a cathedral carved entirely from rock salt. [scene](https://loreline.live/loreline/underground/scene/fe3f012f-8c9e-4319-a306-1101fbff0ba7) Source: https://www.youtube.com/watch?v=RAqCzS6j-BE
- **2025-09-08**, The trillion-dollar race to mine the ocean floor. Four Corners on the companies moving to harvest metal-rich nodules from the Pacific abyss and the scientists warning of irreversible damage. [scene](https://loreline.live/loreline/underground/scene/e6980867-f930-4d6c-b1f1-5e1be0dfce67) Source: https://www.youtube.com/watch?v=eZ-gSBtjkLI
- **2025-09-14**, How ancient salt mining transformed prehistoric Europe. The brine springs of the Carpathians and the rock salt of Hallstatt, and how control of salt reshaped Bronze Age economies. [scene](https://loreline.live/loreline/underground/scene/a8161a8a-bbf8-4a21-8246-3b69a5add6dd) Source: https://www.youtube.com/watch?v=m2CpP5tyB74
- **2025-09-18**, The history of Mithraism. The spread of the Mithraic mysteries through the Roman army and its rivalry with early Christianity. [scene](https://loreline.live/loreline/underground/scene/dd0754bd-88c0-4a80-b422-390216841881) Source: https://www.youtube.com/watch?v=vPNbfyoEkxQ
- **2025-09-26**, Inside Mount Hood's hidden glacier caves. In 2011 two Oregon cavers found more than a mile of tunnels inside the Sandy Glacier, the largest known glacier cave system in the lower 48 states, and began mapping it. [scene](https://loreline.live/loreline/underground/scene/5ccc8390-c27e-40dd-9ce8-6221f7bb94da) Source: https://www.youtube.com/watch?v=rLVfaHqluYk
- **2025-09-27**, An introduction to caving gear. What cavers actually carry and why, from helmets and lights to rope kit, in an environment that is dark, wet, cold and unforgiving. [scene](https://loreline.live/loreline/underground/scene/cb6bb82b-1984-4454-b065-ce0b0dc4fed8) Source: https://www.youtube.com/watch?v=3Ons5G03QLM
- **2025-09-29**, The many lives of the Soviet dissident movement. Benjamin Nathans on how a clandestine movement operated within, and against, the Soviet legal system. [scene](https://loreline.live/loreline/underground/scene/214aa75b-0ec7-46f3-9adc-7617d405f7f8) Source: https://www.youtube.com/watch?v=gevLv-kQaSM
- **2025-10-04**, Life in darkness: how life survives without sunlight. Documentary on sulphurous, lightless cave ecosystems including Movile Cave in Romania, sealed off for millions of years. [scene](https://loreline.live/loreline/underground/scene/8d5c40e9-cab7-47a8-aaa1-a7e840242b40) Source: https://www.youtube.com/watch?v=aL7f_kcNjQE
- **2025-10-11**, Cave divers explore the cenotes of the Yucatan. Thirty years of diving has shown that the Yucatan cenotes are not isolated wells but openings into one connected network of flooded passages. [scene](https://loreline.live/loreline/underground/scene/1d8212a6-73db-46ae-9415-aa0b633e67bf) Source: https://www.youtube.com/watch?v=uOFqKvOUTes
- **2025-10-13**, Excavating Gobekli Tepe: interview with Jens Notroff. Archaeologist Jens Notroff, who worked years at the site, on what the excavation actually found. [scene](https://loreline.live/loreline/underground/scene/931ead4d-5cfa-4e1c-a133-51785f18c764) Source: https://www.youtube.com/watch?v=aVApHLjNKPU
- **2025-10-22**, A British cave rescue medical officer on the work. Brendan Sloan describes the volunteer structure of British cave rescue teams and treating casualties underground. [scene](https://loreline.live/loreline/underground/scene/013a5e94-9bc3-47fd-b7f8-96ba994fd66b) Source: https://www.youtube.com/watch?v=pbgVaCw_maA
- **2025-10-22**, Critical Minerals and Rare Earth Elements. Geologist Terry Panhorst on where critical minerals form in the crust and why their supply chains matter. [scene](https://loreline.live/loreline/underground/scene/6516d53d-b60d-4c6f-94c0-e1863d073ffc) Source: https://www.youtube.com/watch?v=qKvbCNf5gk4
- **2025-10-23**, Sutton Hoo and its global connections. Curator Sue Brunning shows how objects in the 1939 ship burial link early medieval England to Europe and Asia. [scene](https://loreline.live/loreline/underground/scene/0331f2fb-9a6c-440c-bcc9-5935fd58b72e) Source: https://www.youtube.com/watch?v=65d27rWlU1k
- **2025-11-14**, Congo produces its first traceable artisanal cobalt. The state cobalt agency delivers 1,000 tonnes of traceable artisanal cobalt, a first step toward formalising a sector that supplies much of the world's battery metal. [scene](https://loreline.live/loreline/underground/scene/4434b1f4-020e-4b14-a108-742c10ddeb08) Source: https://www.youtube.com/watch?v=c7Cgz7Y44Dg
- **2025-11-20**, Europe's most famous bog bodies. Tollund Man and Grauballe Man, preserved over 2,000 years in Danish peat and thought to be sacrificial victims. [scene](https://loreline.live/loreline/underground/scene/07cdc722-9350-4fcc-acc1-cf26275d4f15) Source: https://www.youtube.com/watch?v=iK2zPLwxvZM
- **2025-11-23**, Into Earth: learning to cave dive. A Danish underwater photographer works through full cave diver training in Playa del Carmen, and the hazards the course exists to address. [scene](https://loreline.live/loreline/underground/scene/3f12cf78-6500-4cf6-8450-0af33dd9a2e9) Source: https://www.youtube.com/watch?v=sxp5on6jnHY
- **2025-11-26**, The royal salt mines of Poland. Polish public broadcaster episode on the medieval royal salt mines at Wieliczka and Bochnia, a UNESCO World Heritage site. [scene](https://loreline.live/loreline/underground/scene/2ac188f1-41c8-4d0d-a42b-c8ab883940ca) Source: https://www.youtube.com/watch?v=mHJwk6Wp6UM
- **2025-11-29**, Inside the mystery of Earth's giant crystals. Documentary tracing giant gypsum crystals from Roman mines to Europe's largest geode at Almeria and the Naica cave in Mexico. [scene](https://loreline.live/loreline/underground/scene/07d7bf00-c663-4bd7-93b3-c6c8a220bf2d) Source: https://www.youtube.com/watch?v=1m34WwMICZA
- **2025-12-05**, Landsat Takes Yellowstone's Temperature. USGS on using satellite thermal remote sensing to track more than 10,000 thermal features fed from below. [scene](https://loreline.live/loreline/underground/scene/53abb3aa-31b6-4224-b36b-0e33a8c54f07) Source: https://www.youtube.com/watch?v=F_reO4zpVPI
- **2025-12-09**, The Hidden World of Plant Roots. Stanford biologist Jose Dinneny on roots as active explorers of the soil rather than passive anchors. [scene](https://loreline.live/loreline/underground/scene/1c83090d-b2ca-4201-941b-8a6a17d59349) Source: https://www.youtube.com/watch?v=vqZ3LT8sCIQ
- **2025-12-10**, Inside South Africa's deadly Stilfontein mine disaster. A 2024 government crackdown on illegal mining at Stilfontein left hundreds of men trapped underground for months without food or water. [scene](https://loreline.live/loreline/underground/scene/92e8e467-952e-4204-badd-feb712e040db) Source: https://www.youtube.com/watch?v=wY_1U0wyu1Q
- **2025-12-13**, Geothermal Energy's Massive Leap Forward. The Economist's energy editor on whether new geothermal drilling could scale past nuclear power. [scene](https://loreline.live/loreline/underground/scene/e64f8284-929d-47cf-a82a-bd155077f171) Source: https://www.youtube.com/watch?v=JeTAeF3Ft6E
- **2025-12-15**, The 262 New Species Named in 2025. Natural History Museum scientists on the year's newly described species, including worms, fungi and invertebrates from soil and cave habitats. [scene](https://loreline.live/loreline/underground/scene/25554330-599a-496f-b1d6-1e2b7bd59ff5) Source: https://www.youtube.com/watch?v=dfTxZBUTzU8
- **2025-12-16**, Prairie Dogs as Ecosystem Engineers. The Smithsonian on black-tailed prairie dogs as a keystone species whose burrowing creates habitat for dozens of other grassland animals. [scene](https://loreline.live/loreline/underground/scene/9c6f75bb-4d6a-4a2c-890f-3bb74533e6ad) Source: https://www.youtube.com/watch?v=ilz8qbBSKoE
### 2026
- **2026-01-02**, Top Five Yellowstone Geologic Stories of 2025. The observatory's year in review, covering hydrothermal activity, monitoring results and the rumours it had to correct. [scene](https://loreline.live/loreline/underground/scene/0c6b07d9-638a-4140-9e77-ae4c2cc7a433) Source: https://www.youtube.com/watch?v=e4_fv20MduQ
- **2026-01-21**, Guerrero Coyote de Tula en el MNA. Vista de la pieza del Guerrero Coyote de Tula del Museo Nacional de Antropología que algunos expertos relacionan con Ce Acatl Topiltzin, Quetzalcoatl. [scene](https://loreline.live/loreline/underground/scene/5b493220-72e7-4140-ad8e-37605421cbb1) Source: https://commons.wikimedia.org/wiki/File:Guerrero_Coyote_de_Tula_en_el_MNA.jpg
- **2026-01-22**, Hand stencils in Sulawesi may be the oldest cave art. Euronews on claims that stencil paintings in an Indonesian cave date to about 67,800 years ago. [scene](https://loreline.live/loreline/underground/scene/25b6ffc7-17bd-4b2b-968b-1ede60b1910b) Source: https://www.youtube.com/watch?v=nPa9lexf3eI
- **2026-01-31**, Fig. 6.2. Ritual enclosure of Lalibela adjucent to one of the Lalibela rock hewn churches [scene](https://loreline.live/loreline/underground/scene/4d834706-e084-474b-a62f-a05cb75a6c42) Source: https://commons.wikimedia.org/wiki/File:Fig._6.2._Ritual_enclosure_of_Lalibela_adjucent_to_one_of_the_Lalibela_rock_hewn_churches_copy.jpg
- **2026-02-10**, The machine that changed our understanding of history. How a 1900 sponge-diving find off Antikythera produced a geared astronomical calculator two millennia old. [scene](https://loreline.live/loreline/underground/scene/208fcbdb-ab16-4526-8dc6-94377e65a637) Source: https://www.youtube.com/watch?v=XNEHP6qFeCs
- **2026-02-13**, An Underground Railroad hiding place found in a New York museum. Historians identify a concealed space in a Merchant's House Museum closet wall. [scene](https://loreline.live/loreline/underground/scene/778f8d8a-d7e4-40c2-8843-3a432937886f) Source: https://www.youtube.com/watch?v=QDKr_dyQ_uY
- **2026-02-15**, HS2's 450,000 finds in a secret warehouse. The BBC is shown the vast store of objects unearthed by the archaeologists working ahead of the HS2 line. [scene](https://loreline.live/loreline/underground/scene/9cf3dda9-41aa-4a1c-a2cf-5205b1c726cf) Source: https://www.youtube.com/watch?v=6mKTFIravYI
- **2026-02-22**, Are Cascadia and the San Andreas Linked?. Chris Goldfinger presents evidence for partial synchronisation between ruptures of the northern San Andreas fault and the Cascadia megathrust. [scene](https://loreline.live/loreline/underground/scene/78db1c0b-9f4c-4df8-bdc3-2d20edd86267) Source: https://www.youtube.com/watch?v=zHhRGEBiQPc
- **2026-02-25**, Stone Age Temple Mystery. NOVA on Gobekli Tepe, where hunter-gatherer monuments predate agriculture and overturn assumptions about how civilisation began. [scene](https://loreline.live/loreline/underground/scene/24aa9750-b533-4cb9-a4d4-8ca93cdb1c78) Source: https://www.youtube.com/watch?v=gyQqodlfLiA
- **2026-02-26**, The 1979 hostage-taking in Carlsbad Caverns. In 1979 armed men held more than 100 visitors in the Big Room, 750 feet below the surface, in one of the strangest incidents in US national park history. [scene](https://loreline.live/loreline/underground/scene/5642b255-e619-4e82-95f7-17e29db0352f) Source: https://www.youtube.com/watch?v=fsuGJN4AXQE
- **2026-03-11**, The Wood Wide Web, Thirty Years Later. Christian Schwartz revisits the wood wide web three decades on, weighing what the evidence actually supports against how the idea has been popularised. [scene](https://loreline.live/loreline/underground/scene/26ad4cf3-6de4-4e6b-ab35-5090571ce4ba) Source: https://www.youtube.com/watch?v=8wyvs1QojHs
- **2026-03-17**, Yamadera, Part II - Yamadera7486. Rock-cut memorial tablets and grave markers carved into the cliff face at Yamadera (Risshaku-ji) temple complex. Modern photograph of an ancient site. [scene](https://loreline.live/loreline/underground/scene/377fd399-f12a-42f8-861a-313e9eefbff5) Source: https://commons.wikimedia.org/wiki/File:Yamadera,_Part_II_-_Yamadera7486.jpg
- **2026-03-18**, Building Resilience in Alberta's Bats Against White-Nose Syndrome. A 2026 science seminar on white-nose syndrome, which reached Alberta in 2024 after killing millions of North American bats. [scene](https://loreline.live/loreline/underground/scene/03177854-7f71-40c1-8d13-5ed8d5ce813a) Source: https://www.youtube.com/watch?v=qyGBGpWCpZY
- **2026-03-22**, How Soviet citizens escaped censorship. The samizdat circuit: carbon copies, typewriters and hand-to-hand distribution under the censor. [scene](https://loreline.live/loreline/underground/scene/23fb86af-9288-45b0-ae2b-90030d0c60e7) Source: https://www.youtube.com/watch?v=TMx3iBf73_0
- **2026-03-25**, A Hidden Magma Plumbing System on Mars. The Geological Society of America covers a new study finding buried magmatic plumbing on Mars, a comparison point for reading Earth's own. [scene](https://loreline.live/loreline/underground/scene/ba49612e-dc44-4799-b215-5cc2fb0635c8) Source: https://www.youtube.com/watch?v=UbzjkLv5lY8
- **2026-03-29**, A rare journey inside Son Doong. 60 Minutes takes Scott Pelley into the largest known cave passage in the world, deep in the Vietnamese jungle. [scene](https://loreline.live/loreline/underground/scene/61fd8fe0-07a1-40a0-83d0-03cf99460084) Source: https://www.youtube.com/watch?v=BtfWH8sb6ig
- **2026-03-29**, South Africa opens its first new underground gold mine in fifteen years. West Wits Mining opens a shaft in Johannesburg, betting that high gold prices make old deposits viable again while illegal mining continues. [scene](https://loreline.live/loreline/underground/scene/cce56c0a-b4e0-4346-b406-07e412a103ea) Source: https://www.youtube.com/watch?v=lwnETCAArnw
- **2026-03-30**, "Сейсмограф" Seismometer in Moscow Institute of Physics and Technology 20260330 133932. Seismometer in Moscow Institute of Physics and Technology This photo was created by Lesless. It is not in the public domain, and use of this file outside of the licensing terms is a copyright violati. [scene](https://loreline.live/loreline/underground/scene/a0234759-3005-41b4-83e3-67aaee7cfceb) Source: https://commons.wikimedia.org/wiki/File:%22%D0%A1%D0%B5%D0%B9%D1%81%D0%BC%D0%BE%D0%B3%D1%80%D0%B0%D1%84%22_Seismometer_in_Moscow_Institute_of_Physics_and_Technology_20260330_133932.jpg
- **2026-04-02**, The history of the Paris Catacombs. How the 18th-century clearance of the Cemetery of the Innocents filled the disused limestone quarries with six million dead. [scene](https://loreline.live/loreline/underground/scene/26a00566-94be-4025-95b3-73a3d159551e) Source: https://www.youtube.com/watch?v=ngarNTPMclE
- **2026-04-02**, The Cascadia Megaquake Is Inevitable. PBS Terra on the Cascadia Subduction Zone, the offshore fault running hundreds of miles along the Pacific Northwest and overdue for a magnitude 9 rupture. [scene](https://loreline.live/loreline/underground/scene/bab3e930-7f20-4789-ac3f-527e800e2e99) Source: https://www.youtube.com/watch?v=bZwB7kRhLIc
- **2026-04-09**, 1.9-Billion-Year-Old Bedrock Will Hold Spent Nuclear Fuel. AP descends the Onkalo shaft as the world's first permanent spent-fuel disposal facility prepares to begin operations in Finland. [scene](https://loreline.live/loreline/underground/scene/9536ba85-9bb1-4bc6-aeba-44d0cc4aec0a) Source: https://www.youtube.com/watch?v=R5LHYOOMtI4
- **2026-04-12**, Belowground Biodiversity in Northeast India. A SPUN Underground Explorer samples soil fungi across rainforest, alpine meadow and cold desert to see how much diversity is hidden below. [scene](https://loreline.live/loreline/underground/scene/07bf89e7-e1f8-49af-bfd3-27271c539541) Source: https://www.youtube.com/watch?v=2GkqDyIiNBs
- **2026-04-21**, Suzanne Simard Said Trees Talk. The Evidence Is Complicated.. Traces Simard's 1997 Nature paper on carbon transfer between trees, the 'wood wide web' framing the editors gave it, and the scientific pushback that followed. [scene](https://loreline.live/loreline/underground/scene/07fe1260-3f9d-4dc8-a10f-550cffd19f1e) Source: https://www.youtube.com/watch?v=wqY2QBqA5Xs
- **2026-04-27**, AI used to reconstruct a Pompeii victim's face. Reuters on the first use of AI facial reconstruction on a victim of the AD 79 eruption. [scene](https://loreline.live/loreline/underground/scene/d08bdaf2-a0f5-4e1a-9fe4-f0abe953ec53) Source: https://www.youtube.com/watch?v=3gz7XkId5P8
- **2026-05-02**, Why Drilling to the Mantle Is Almost Impossible. Business Insider on why the Kola borehole barely scratched the crust, and on the technologies being proposed to go deeper. [scene](https://loreline.live/loreline/underground/scene/210d058b-4eda-4543-8582-b9edc233561f) Source: https://www.youtube.com/watch?v=ij61TLsjKD8
- **2026-05-05**, Uplistsikhe - Uplistsikhe8141. Cave dwellings and rock-cut chambers of the ancient troglodyte city of Uplistsikhe, with a medieval Christian basilica visible on the upper right. Modern photograph of an ancient site. [scene](https://loreline.live/loreline/underground/scene/5f01010b-3f46-4395-80b6-1cccf4723323) Source: https://commons.wikimedia.org/wiki/File:Uplistsikhe_-_Uplistsikhe8141.jpg
- **2026-05-05**, Uplistsikhe - Uplistsikhe8144. A basilica-style brick church at the Uplistsikhe cave town complex, situated on a rocky promontory above a river valley. Modern photograph of an ancient site. [scene](https://loreline.live/loreline/underground/scene/c5913eac-4fd1-447b-942e-b1dd445f9fe0) Source: https://commons.wikimedia.org/wiki/File:Uplistsikhe_-_Uplistsikhe8144.jpg
- **2026-05-11**, The 2025 Big Horn Mountains caving expedition. Presentation to the Meramec Valley Grotto on an August 2025 expedition to the caves of the Big Horn Mountains in Wyoming. [scene](https://loreline.live/loreline/underground/scene/76f09220-06f3-4a19-bd9a-43b712123571) Source: https://www.youtube.com/watch?v=kaIehF5uwz8
- **2026-05-14**, Life in Pompeii. David Suzuki's documentary on the science being used to read the city's oldest and deepest layers. [scene](https://loreline.live/loreline/underground/scene/f94f0f75-e98e-4c1d-9c25-23aed94eb877) Source: https://www.youtube.com/watch?v=EeXaVpo2AfY
- **2026-05-18**, The price of iron ore: relocating a Swedish city. DW follows the relocation of Kiruna in northern Sweden as the world's largest underground iron ore mine undermines the town. [scene](https://loreline.live/loreline/underground/scene/c3156538-1810-4d59-ad33-6575bdc0b2de) Source: https://www.youtube.com/watch?v=sKBKXrp8EF8
- **2026-05-21**, Lithium rising: the race for critical minerals. Full-length documentary filmed across five countries on the competition for lithium, cobalt and copper behind electric vehicles and battery storage. [scene](https://loreline.live/loreline/underground/scene/d026f6d4-b533-4c0f-b384-c921e60fbd1d) Source: https://www.youtube.com/watch?v=9DEvKEkYVSg
- **2026-05-25**, Should we mine the deep ocean?. BBC World Service asks whether the seabed can supply the metals the energy transition needs, or should be left undisturbed. [scene](https://loreline.live/loreline/underground/scene/c105ffcc-46aa-446d-9865-404e449e1c39) Source: https://www.youtube.com/watch?v=sICeeSHRW_U
- **2026-05-28**, What Are Induced Earthquakes?. A primer from a hydrogeology lab on earthquakes triggered by injecting fluid into the subsurface. [scene](https://loreline.live/loreline/underground/scene/b7a5658b-5b78-42e4-b83e-37aac3ee4920) Source: https://www.youtube.com/watch?v=7hR7N70ZE6o
- **2026-05-29**, African Volcanic Plumbing Systems. An IAVCEI commission webinar with researchers presenting current work on the subsurface magma systems beneath African volcanoes. [scene](https://loreline.live/loreline/underground/scene/1f5560a8-4e11-4762-9556-6ed7c52af712) Source: https://www.youtube.com/watch?v=o4HM4qxgLto
- **2026-06-09**, Writers underground: Soviet samizdat 1967-1982. How hand-typed publications passed hand to hand became a real threat to the Soviet state. [scene](https://loreline.live/loreline/underground/scene/0ef80eb4-ffa1-4356-b704-d1b57eabd8f5) Source: https://www.youtube.com/watch?v=Lk1q0E3NyOM
- **2026-06-11**, Mapping 110 Quadrillion Kilometres of Fungal Threads. SPUN and AMOLF researchers publish in Science the first global estimate of the total length of mycorrhizal mycelium in soil. [scene](https://loreline.live/loreline/underground/scene/2521568d-b9dd-4205-8647-815f5b4993db) Source: https://www.youtube.com/watch?v=L_x0L8ZxWd4
- **2026-06-11**, Life Without Sunlight: The Creatures of Movile Cave. A tour of Movile Cave in Romania, sealed from the surface for millions of years, whose animals depend on chemosynthetic bacteria rather than the sun. [scene](https://loreline.live/loreline/underground/scene/c9f8c2ec-05d1-4d59-82a3-8951adc2cf4d) Source: https://www.youtube.com/watch?v=BvYzQ7fMLvk
- **2026-06-17**, A Seismic View of Mars, From Crust to Core. Ross Maguire on the more than 1,000 marsquakes InSight recorded between 2018 and 2022 and what they reveal about a single-plate planet's interior. [scene](https://loreline.live/loreline/underground/scene/fd2fbe02-c78e-4a4c-96a1-5dd7f8ee069b) Source: https://www.youtube.com/watch?v=ySsvqPiTZ7o
- **2026-06-18**, Hallstatt: a prehistoric salt mine as a data archive. Salt has been won at Hallstatt for over 7,000 years, and the salt has preserved tools, textiles and everyday objects that survive nowhere else. [scene](https://loreline.live/loreline/underground/scene/0252f708-cf71-4760-9eb9-db372f4de5fb) Source: https://www.youtube.com/watch?v=ZgOrxC5oQsE
- **2026-06-23**, Vindolanda 2026 excavation update. Dr Marta Alberti-Dunn reports new features and finds from the current season at the Roman fort on Hadrian's Wall. [scene](https://loreline.live/loreline/underground/scene/65b026ce-9e52-4d0c-b13a-441a8d2c8b5a) Source: https://www.youtube.com/watch?v=vFy06tN9VlE
- **2026-06-24**, Cairnpapple in West Lothian. A kite aerial photo of Cairnpapple looking northwards. [scene](https://loreline.live/loreline/underground/scene/5d8e7756-88bd-4636-b605-b425c480d45e) Source: https://commons.wikimedia.org/wiki/File:Cairnpapple_in_West_Lothian.jpg
- **2026-06-29**, The hermit caves of Mount Athos. The cliffside caves where Orthodox monks have lived in complete solitude for centuries. [scene](https://loreline.live/loreline/underground/scene/4cafb56f-0af5-4e44-be73-4a723a94c80f) Source: https://www.youtube.com/watch?v=ezOg0K72IW0
- **2026-07-01**, A Hydrothermal Explosion Caught on New Monitoring Gear. On 13 June 2026 Yellowstone's newest geophysical monitoring sites recorded a small hydrothermal explosion at Biscuit Basin. [scene](https://loreline.live/loreline/underground/scene/5ee07bc6-5836-496b-b321-2c590a9bb155) Source: https://www.youtube.com/watch?v=QYlRp7S3cGY
- **2026-07-02**, Drilling Into the Mantle: The Kola Superdeep Hole. Engineering account of the Soviet Kola SG-3 borehole, which reached 12,262 m between 1970 and 1992. Covers the drilling technology and why the rock behaved unexpectedly at depth. [scene](https://loreline.live/loreline/underground/scene/8598a1d3-ec4b-4c3b-89ae-8a6ae3617c03) Source: https://www.youtube.com/watch?v=m4joDZLtI84
- **2026-07-15**, The Molecule Behind the Naked Mole-Rat's Bee-Like Society. Nature reports research identifying a molecular basis for the eusocial structure of naked mole-rat colonies, where one queen breeds and the rest do not. [scene](https://loreline.live/loreline/underground/scene/9cd83dc3-f0ca-4a5f-99ac-8067af7dc9cf) Source: https://www.youtube.com/watch?v=enfv3zJrWKM
- **2026-07-17**, Twenty great discoveries of 2025-2026. A myth-busting survey of the most significant archaeological finds announced across the past two years. [scene](https://loreline.live/loreline/underground/scene/401a445f-8571-4819-b786-053f865261df) Source: https://www.youtube.com/watch?v=xffj300BLVM
- **2026-07-22**, Top archaeological discoveries of 2026 so far. Lost cities, ancient pandemics and other finds announced in the first half of 2026. [scene](https://loreline.live/loreline/underground/scene/abd3b649-cc60-4e1d-a405-803f102bcf42) Source: https://www.youtube.com/watch?v=ns0XR8qEfsw
- **2026-07-30**, The archaeological discovery of Petra. Tristan Hughes on the rock-cut city, its tombs and how European travellers reached it. [scene](https://loreline.live/loreline/underground/scene/92768369-a115-4e8d-a6fb-f4cb0791e28f) Source: https://www.youtube.com/watch?v=WSj1ZO9fsyU
- **2026-08-02**, 海軍出水航空隊の掩体壕跡. Photograph showing 海軍出水航空隊の掩体壕跡. [scene](https://loreline.live/loreline/underground/scene/dbd7499f-3e05-47e1-aafa-f6e5a80edae5) Source: https://commons.wikimedia.org/wiki/File:%E6%B5%B7%E8%BB%8D%E5%87%BA%E6%B0%B4%E8%88%AA%E7%A9%BA%E9%9A%8A%E3%81%AE%E6%8E%A9%E4%BD%93%E5%A3%95%E8%B7%A1(1).jpg
- **2026-08-02**, A wartime aircraft revetment shelter, Izumi, Japan. The remains of a semi-underground revetment shelter built to protect aircraft at the former Izumi naval air group base in Kagoshima, Japan. [scene](https://loreline.live/loreline/underground/scene/fef8749c-9dc9-4080-879c-e09953be7e85) Source: https://commons.wikimedia.org/wiki/File:%E6%B5%B7%E8%BB%8D%E5%87%BA%E6%B0%B4%E8%88%AA%E7%A9%BA%E9%9A%8A%E3%81%AE%E6%8E%A9%E4%BD%93%E5%A3%95%E8%B7%A1(2).jpg
- **2026-08-03**, Is Yellowstone's North Caldera Rim Rising?. USGS on decades of measured uplift and subsidence on the caldera's north rim, and a new period of uplift that began last year. [scene](https://loreline.live/loreline/underground/scene/77ef3ec2-d16f-432b-ab06-1575fee28b79) Source: https://www.youtube.com/watch?v=6haDtybcLW4
- **2026-08-07**, Do Fungi Help Invasive Willows Spread in Patagonia?. Field research on whether soil fungi mediate the replacement of Patagonia's native willows by non-native ones. [scene](https://loreline.live/loreline/underground/scene/422aaf5b-ca65-41be-8eec-86efd816533a) Source: https://www.youtube.com/watch?v=v0eDNn8Zj2M

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647 moments · Attribution: Loreline (loreline.live) · Public contributions welcome.