Champagne Pool hot spring glowing in multiple colors, Waiotapu, Rotoua, New Zealand
Grand Prismatic Spring sunrise, Yellowstone National Park, Wyoming, USA
Geothermal eruption of Gullfoss Geysir after sunset, Iceland
Hveravellir hot spring geothermal area on Kjölur plateau, Iceland
Cave with hot water, Grjótagjá, Mývatn, Iceland
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