9 Сезона
77 Епизода
Extreme Engineering - Season 2 Episode 9 Епизода 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.
- Године: 2011
- Цоунтри: United States of America
- Жанр: Documentary
- Студио: Discovery
- Кључна реч: engineering
- Директор:
- Цаст: