Photojournalist Sebastian Meyer spent six days photographing the mines, the people and the cobalt.
Two-thirds of the world's cobalt, an essential ingredient in our smartphones and electric cars, comes from one of the planet's poorest countries. All too often it is mined by children.
Foreign investors are clamoring for Zambia's bounty of resources. But can Zambia's government — and its people — keep their rightful share?