Impossible Engineering
World's Longest Tunnel (2x5)
Udgivelsesdato: Apr 13, 2016
Exploring how engineers move mountains to build the longest and deepest rail tunnel; a look at how 25 million tons of rock were moved to build this modern wonder.
- Premieret: Apr 2015
- Afsnit: 88
- Følgere: 19
- Slut
- Science Channel
- Torsdag på 21