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Extreme Engineering - Season 1 Episode 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.
- વર્ષ: 2011
- દેશ: United States of America
- શૈલી: Documentary
- સ્ટુડિયો: Discovery
- કીવર્ડ: engineering
- ડાયરેક્ટર:
- કાસ્ટ: