Comment on "A Great Moment of Tunnelling from way back: 1 December 1990 EUROTUNNEL Breakthrough!"
Geology of the channel made it a very easy tunnelling project. You can see that they can cut the tunnel like cutting cheese.ICTUS 2019 - The 2019 International Conference on Tunnels and Underground Space
The 2019 International Conference on Tunnels and Underground Spaces The 2019 International Conference on Tunnels and Underground Spaces (ICTUS19) is orga...
cover tunnel photo by: Matt Brown from London, England / CC BY
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