Impossible Engineering

World's Longest Tunnel

Documentary Apr 13, 2016 41 min Hulu

Available on Philo, Hulu, 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 Apr 13, 2016 41 min Hulu

TV-PG

Information

Released: 2016
Run Time: 41 min
Rated: TV-PG
Region of Origin: United States

Languages

Original Audio: English (United States), English (United Kingdom)
Audio: English (United States)