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Poster Impossible Engineering - Season 2 Episode 5 : World's Longest Tunnel 2021

Impossible Engineering - Season 2 Episode 5 : World's Longest Tunnel 2021

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6.667/10 by 15 users

How did engineers move mountains to build the longest and deepest rail tunnel on the planet? Discover how 25 million tons of rock were moved to build this modern wonder, the Gotthard Base Tunnel.

  • Released: Jan 01, 1970
  • Runtime: 00:42:14 minutes
  • Genre: Documentary
  • Stars: Mike Bratton
  • Network: Science
Download : MKV
Download : MP4

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