![Extreme Engineering](https://image.tmdb.org/t/p/w342/y2Ojs6gFwVhJvGA3MsPgVJOYT0U.jpg)
9 Маусым
77 Эпизод
Extreme Engineering - Season 1 Episode 6 Epızod 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.
- Жыл: 2011
- Ел: United States of America
- Жанр: Documentary
- Студия: Discovery
- Кілт сөз: engineering
- Директор:
- Кастинг: