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Impossible Engineering

Impossible Engineering Season 2 Episode 5

Episode Title World's Longest Tunnel

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.
Studio: Science Air Date: 2016-04-13 Language: English

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Quality Size Filename Magnet
720p 1.06 GB Impossible.Engineering.S02E05.Worlds.Longest.Tunnel.PROPER.720p.HDTV.X264-UAV[eztv].mkv

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