Erta Ale - Compact Fury of Lava Lakes

시즌 1, 에피소드 5: Zoom in on a remarkable feature of the African Rift Valley: the lava lake at Erta Ale in Ethiopia. This seething cauldron of molten rock is the oldest of the world's five active lava lakes, and it replicates on a small scale the complex process of plate tectonics.