9 Season
77 Episode
Extreme Engineering - Season 8 Episode 8
The Swiss government is spending 18 billion dollars to create the Gotthard Base Tunnel - the longest tunnel in the world, getting people and goods through the Alps up to 3 times faster and ultimately changing European transit forever.
- taona: 2011
- Firenena: United States of America
- Genre: Documentary
- Studio: Discovery
- Keyword: engineering
- tale:
- Cast: