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Watch Impossible Engineering - Season 2 Episode 5 Online!:

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.

Release Date: 2015-04-13
Seasons: 1 2 3 4 5 6 7 8 9 10
TMDb: 6.7/10
  • Country: GB, US
  • Language: English
  • Runtime: 42

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NASA's Rocket to Mars
Episode 1 - NASA's Rocket to Mars
World's Tallest Bridge
Episode 2 - World's Tallest Bridge
Ultimate Football Stadium
Episode 3 - Ultimate Football Stadium
World's Most Powerful Dam
Episode 4 - World's Most Powerful Dam
World's Longest Tunnel
Episode 5 - World's Longest Tunnel
World's Biggest Cruise Ship
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US Navy's Super Submarine
Episode 7 - US Navy's Super Submarine
The Glass Skyscraper
Episode 8 - The Glass Skyscraper