Mamoth Springs, Yellowstone National Park
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The Krafla area is the heart of volcanic activity that began in the 1970s after 300 years of dormancy.
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Geothermal energy pouring from the ground
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Geothermal well, near Reykjadalir hot springs, 10 6 3027.JPG
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Orakei Korako geothermal area
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