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The Gotthard Tunnel

Constructing the Gotthard Base Tunnel in Switzerland, the longest rail tunnel in the world, running for 57 kilometres through the Alps.

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  • Originally Aired March 16, 2016
  • Runtime 45 minutes
  • Network Yesterday
  • Created January 18, 2020 by
    Administrator admin
  • Modified January 18, 2020 by
    Administrator admin