6 Season
41 Episode
Mega Builders - Season 2 Episode 6 Crossing the Colorado
In a rugged canyon, down river from the Hoover Dam, a team of construction veterans is building the biggest concrete-arch bridge on the continent.
- Year: 2012
- Country: Canada, Germany, United States of America
- Genre: Documentary
- Studio: Discovery
- Keyword: technology
- Director:
- Cast: