6 Sezóna
41 Epizóda
Mega Builders - Season 6 Episode 1 Epizóda 1
Return to the 57-kilometer long high-speed rail tunnel in Switzerland's Gotthard Mountain range to see what it will take to finish the project by 2017.
- Krajina : Canada, Germany, United States of America
- Žáner : Documentary
- Riaditeľ :
- Obsadenie :
