Summary Follows copper production from an open pit mine in Ruth, Nevada to a smelter in Tongling, China, where the semi-refined ore is sent to be processed and refined. View more details
Genres : Animation
Release date : Dec 22, 2009
Countries of origin : United States
Filming locations : China
Summary Follows copper production from an open pit mine in Ruth, Nevada to a smelter in Tongling, China, where the semi-refined ore is sent to be processed and refined. View more details
Genres : Animation
Release date : Dec 22, 2009
Countries of origin : United States
Filming locations : China
