BBC - Down the Mighty River with Steve Backshall (2017) 1080p HDTV x265 AAC MVGroup

Steve Backshall sets out to explore one of the wildest rivers in the world, the mighty Baliem River in the island of New Guinea, just north of Australia. He is on a mission to discover the ancient tribes that live along its banks, explore unknown caves and meet the dangerous animals lurking in the river and surrounding jungle. But the only way to discover these hidden worlds is to travel the river from source to sea - a feat that has never been achieved before.