
9 Сезон
77 Епізод
Extreme Engineering - Season 2 Episode 9 Серія 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.
- Рік: 2011
- Країна: United States of America
- Жанр: Documentary
- Студія: Discovery
- Ключове слово: engineering
- Директор:
- Актори: