http://www.bbc.co.uk/humanplanet New footage of one of the world's last uncontacted tribes living in the Brazilian rainforest.
Jose Carlos Meirelles works for FUNAI, a government agency that protects Brazil's indigenous people. Because of the threat posed by illegal logging and mining, he believes that the fight to protect these people depends on proving and publicising their existence. This aerial footage was shot from 1km away using a stabilised zoom lens.
Brazil is thought to be home to around 70 isolated tribes.
