Open Pit (2011) 2011, Canada, Documentary, History, News Open Pit (2011) Duration: 1H30M Description: Open Pit, a feature documentary, explores the impacts of gold mining, one of the most lucrative industries in the world. In the remote highlands of Cajamarca in Peru operates the Yanacocha mine, the most profitable goldmine in the….. Trailer ↗ Canada 2011 Documentary History News