Italy
Tilwezembe is an open-pit copper and cobalt mine in Lualaba Province of the Democratic Republic of the Congo owned by Katanga Mining, a subsidiary of Glencore. Officially, Glencore has shuttered the mine, but the site is still being used by artisinal miners.
Listen to the audio guide for Tilwezembe Mine Free on WIP — starts by itself when you arrive, even with the screen off