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Gotthard Base Tunnel: The World's Longest Railway Tunnel

Media-ID: 349995
Created in/on: 9 September 2020
Author/Source:

Megaprojects / YouTube

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This creative work is copyrighted material and may not be used without explicit approval by the author and/or copyright owner.

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Last updated on: 10/11/2020

More media of this structure

Switzerland (2016)