The 2010 eruption of Iceland's Eyjafjallajokull volcano provoked economic chaos, paralyzing air traffic for days. This eruption, however, was mild. Much more powerful volcanoes in Iceland are ready to wake up. Through spectacular aerial footage of this country, which is an accumulation of lava and ash, a maze of craters and faults, the episode tries to discern which volcano will awaken next.
Expired: 07/14/16Video has closed captioning.