9 Sezon
77 Episod
Extreme Engineering - Season 2 Episode 9 Episodul 9 (2011)
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.
- Țară : United States of America
- Gen : Documentary
- Studio : Discovery
- Director :
- Distribuție :
