Extreme Engineering - Tunneling Under the Alps

Seizoen: 1 - Aflevering: 6 / 6 - Eerst uitgezonden: 07 mei 2003 - Episode ID: 88985

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.