Channel Tunnel: three parallel bores

Name: Channel Tunnel: three parallel bores
Uploaded: 2018-01-30T00:00:00+00:00
Duration: 389 s
Description: The Institution of Civil Engineers explains the tunnel's two running bores and central service tunnel, opened May 1994.

JAN 30 2018

The Institution of Civil Engineers explains the tunnel's two running bores and central service tunnel, opened May 1994.

Source: YouTube

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Channel Tunnel: three parallel bores

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