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.
Directed byLucy Raven
CountryUnited States
Runtime51 min
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.