Near Lubumbashi (once named Élisabethville), third largest city of the Democratic Republic of Congo, the dark conical slag mountain which has been celebrated on a bank note was originally formed from nearly 70 years of mining for what?
Copper The mountain itself is now being re-mined for cobalt.
After being called various names including the Congo Free State, Belgian Congo and Congo-Léopoldville, what was the (now) Democratic Republic of the Congo known as?
