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Extreme Engineering: 3x5
Gotthard Tunnel
The Gotthard Base Tunnel underneath the Swiss Alps will be the world’s longest rail tunnel upon completion in 2015.
3 - 1The Snohvit Arctic Gas Processing Platform Oct. 19, 2005
3 - 2The El Cajon Dam Nov. 10, 2005
3 - 3Hong Kong's Cable Car Dec. 02, 2005
3 - 4Woodrow Wilson Bridge Dec. 09, 2005
3 - 5Gotthard Tunnel Jan. 01, 2006
3 - 6Dubai's Ski Resort Jan. 21, 2006