
9 Musim
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.
- Tahun: 2011
- Negara: United States of America
- Aliran: Documentary
- Studio: Discovery
- Kata kunci: engineering
- Direktur:
- Pemeran: