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Helgi Hjorleifsson, a firefighter, is a leader in a national experiment to steer rivers of lava away from important sites. Some called it crazy, but it worked.
Iceland’s Chief ‘Lava Cooler’ Is Bracing for the Next Volcanic Eruption
Helgi Hjorleifsson, a firefighter, is a leader in a national experiment to steer rivers of lava away from important sites. Some called it crazy, but it worked.