Milan Radisics / Aerial shot of steam geysers at Gunnhuver Hot Springs, Reykjanes Peninsula, Iceland, August 2018.
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Milan Radisics / Aerial shot of steam geysers at Gunnhuver Hot Springs, Reykjanes Peninsula, Iceland, August 2018.
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Milan Radisics / Aerial shot of Gunnuhver steam geyser, Gunnhuver Hot Springs, Reykjanes Peninsula, Iceland, August 2018.
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Milan Radisics / Aerial shot of Gunnuhver steam geyser, Gunnhuver Hot Springs, Reykjanes Peninsula, Iceland, August 2018.
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Christophe Courteau / Steam emerging from a fault on the summit of Nyiragongo Volcano, Democratic Republic of Congo. 2015.
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Tui De Roy / Galapagos hawk (Buteo galapagoensis) perched over sulphurous slope, Galapagos, Ecuador. Vulnerable species.
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Ingo Arndt / Burned trees in front of Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, Wyoming, USA, September 2011.
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Christophe Courteau / Steam rising from the crater of Nyiragongo Volcano. Virunga National Park, North Kivu Province, Democratic Republic of Congo. September 2015.
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Jeff Vanuga / Old Faithful Geyser erupting at -30 Celsius in winter. Upper Geyser Basin, Yellowstone National Park, Wyoming, USA, January 2015.
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Markus Varesvuo / Black Grouse (Tetrao tetrix) displaying with breath vapor at dawn, Utajarvi, Finland, April
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Floris van Breugel / A hot spring in the West Thumb Geyser Basin, Yellowstone National Park, Wyoming. The colors are a result of thermophilic bacteria living in the hot springs. December 2010.
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Peter Cairns / Bison (Bison bison) standing in geothermal run-off in winter, Yellowstone National Park, Wyoming, USA, February.
