Disponible sur Sling TV
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 · 13 avr. 2016 · 41 min
Informations
- Sortie
- 2016
- Durée
- 41 min
- Classification
- TV-PG
- Région d’origine
- United States
- © 2016 Discovery Communications Inc.
Langues
- Audio original
- English (United States), English (United Kingdom)