For more than 20 years naturalist Steve Backshall has dreamed of navigating New Guinea's uncharted Baliem River. This two-part series follows him and his team as they travel from its source to the sea.For more than 20 years naturalist Steve Backshall has dreamed of navigating New Guinea's uncharted Baliem River. This two-part series follows him and his team as they travel from its source to the sea.
