Extreme Engineering
Extreme Engineering S1 E6 - Tunneling Under the Alps7.0
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.
| Creator | N/A |
|---|---|
| Actor | N/A |
| Country | United States of America |
| Production | Powderhouse Productions |
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