Huge diamond deposits were first discovered in the Kalahari desert in Botswana in 1967. The precious stones have transformed the country's economy. Show more
Discover 11,128,835 listings and 280,409 playable programmes from the BBC
Huge diamond deposits were first discovered in the Kalahari desert in Botswana in 1967. The precious stones have transformed the country's economy. Show more
The BBC's international radio station
