9 Seizoen
77 Episode
Extreme Engineering - Season 2 Episode 9
In northern Minnesota, the operators of the world's largest open-pit iron mine commission the construction of a $10 million custom-built super-shovel in the hopes of making excavation more efficient.
- Jier: 2011
- Lân: United States of America
- Sjenre: Documentary
- Studio: Discovery
- Keyword: engineering
- Direkteur:
- Cast: