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Extreme Engineering

Season 1 • Episode 6 • Tunneling Under the Alps

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Extreme Engineering Season 1, Episode 6: Tunneling Under the Alps

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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. Watch Extreme Engineering Season 1, Episode 6 Tunneling Under the Alps in HD free online. Enjoy high-quality streaming of Extreme Engineering Season 1, Episode 6 and share your thoughts in the comments below!

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