Extreme Engineering S3E5
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Extreme Engineering

S03E05 Gotthard Tunnel

2006-01-01

Upon its completion in 2015, the Gotthard Base Tunnel, located beneath the Swiss Alps, will stand as the longest rail tunnel in the world.

Season 3 Episodes

2
The El Cajon Dam
2005-11-10
 3
Hong Kong's Cable Car
2005-12-02
 4
Woodrow Wilson Bridge
2005-12-09
 5
Gotthard Tunnel
2006-01-01
 6
Dubai's Ski Resort
2006-01-21