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9 Sezono
77 Epizodo
Extreme Engineering - Season 1 Episode 6 Epizodo 6
A tunnel over 35 miles long is to be dug under the Swiss Alps to redirect Europe's traffic. This $7 billion project will take 6 years to complete with man and machine fighting the mountains 24/7.
- Jaro: 2011
- Lando: United States of America
- Ĝenro: Documentary
- Studio: Discovery
- Ŝlosilvorto: engineering
- Direktoro:
- Rolantaro: