Tens of thousands of Madagascar's poor are flocking to the country's remote forests to illegally mine for sapphires. But the wealth they seek comes at an environmental cost. Show more
Discover 11,128,835 listings and 278,152 playable programmes from the BBC
Tens of thousands of Madagascar's poor are flocking to the country's remote forests to illegally mine for sapphires. But the wealth they seek comes at an environmental cost. Show more