Loading titles…
Now playing
Filmed in IMAX, a team of explorers led by Pasquale Scaturro and Gordon Brown face seemingly insurmountable challenges as they make their way along all 3,260 miles of the world's longest and deadliest river to become the first in history to complete a full descent of the Blue Nile from source to sea.
If playback stops, reload the player or try again later. Stream availability depends on the playback provider.