6 Sezon
41 Episod
Mega Builders - Season 4 Episode 3 Episodul 3 (2012)
Can engineers make 6,000-ton concrete pontoons float? That's the only way to construct this astonishing bridge in Canada, but can they pull it off?
- Țară : Canada, Germany, United States of America
- Gen : Documentary
- Studio : Discovery
- Director :
- Distribuție :
