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S2, E5: How did engineers move mountains to build the longest and deepest rail tunnel on the planet? Discover how 25 million tons of rock were moved to build this modern wonder.
Documentary · Apr 13, 2016 · 41 min
Information
- Released
- 2016
- Run Time
- 41 min
- Rated
- TV-PG
- Region of Origin
- United States
- © 2016 Discovery Communications Inc.
Languages
- Original Audio
- English (United States), English (United Kingdom)