World's Longest Tunnel
Impossible Engineering · Season 2 · Episode 5
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.
Episode Details
Air date, runtime, timezone, and episode position.
Season
2
Episode
5
Air Date
13/Apr/2016
Air Time
21:00
Runtime
42 min
Overview
Episode summary.
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.
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