Behind Russia's Frozen Curtain

A passionate conservation biologist brings together a river bushman fearful of losing his past and a young scientist uncertain of her future on an epic, four-month expedition across three countries, through unexplored and dangerous landscapes, in order to save the Okavango Delta, one of our planet's last pristine wildernesses.

A team of explorers set out to explore the sea and land of the remote Pitcairn Islands