From BBC's The Hottest Place on Earth with the team in Ethiopia
Amazing volcanic discovery!
This scene shows Earth scientist Dougal Jerram at the extraordinary volcanic activity of the region and the part it plays in the bigger geological picture of the Rift Valley. Here on this break off expedition they look for and discover the strangest volcano in the world, where the ground opened up during an earthquake creating an explosion known as the Dabbahu fissure.