Impossible Engineering (UK)
Impossible Engineering (UK)
The Gotthard Tunnel (2x1)
Uitzenddatum: Mrt 16, 2016
Constructing the Gotthard Base Tunnel in Switzerland, the longest rail tunnel in the world, running for 57 kilometres through the Alps.
- in première gegaan: Apr 2015
- Afleveringen: 52
- Volgers: 1
- Afgelopen
- U&Yesterday
- Woensdag op 20
