Sapphire mining threatens the indri lemur species
Indris - the largest lemurs - are native to Madagascar but their existence is threatened by illegal mining.
Since late last year more than 40,000 miners have descended on the island.
Our team followed the miners and made the long trek into what is meant to be a protected zone.
Filmed and edited by Tony Smith. Additional filming by Chris Parkinson.
18 Jul 2017
- From the section World