The Salar de Uyuni is a stunning pristine salt flat high in the Andes - it is also the world's biggest lithium deposit, worth many billions of dollars. Show more
Discover 11,128,835 listings and 279,634 playable programmes from the BBC
The Salar de Uyuni is a stunning pristine salt flat high in the Andes - it is also the world's biggest lithium deposit, worth many billions of dollars. Show more
The BBC's international radio station
