746-91178 - Reykjanesviti lighthouse with steam hovering over the hot springs of the geothermal area Gunnuhver and teh geothermal power plant Sudurnes. europe, northern europe, iceland, February
1113-106415 - Ethiopia; Afar region; Danakil Desert; Danakil Depression; Dallol geothermal area; hot sulfur springs; cone-like formation in intense yellow, red and green tones
860-288801 - Clay loaded with iron oxides and dried out, Rio Tinto, Andalusia, Spain *** Local Caption *** R?o Tinto ("Red River") is very acidic (Ph 2) and has a deep reddish hue due to iron dissolved in water. The acidity of the watercourse is linked to the drainage of pyrite, which is very present in the subsoil. Extremophilic and endemic bacteria and algae colonize the river bed, forming a fragile biofilm that evokes the hot springs of Yellowstone Park in the USA.
860-288798 - Reflections on Rio Tinto, near its source, Andalusia, Spain *** Local Caption *** R?o Tinto ("Red River") is very acidic (Ph 2) and has a deep reddish hue due to iron dissolved in water. The acidity of the watercourse is linked to the drainage of pyrite, which is very present in the subsoil. Extremophilic and endemic bacteria and algae colonize the river bed, forming a fragile biofilm that evokes the hot springs of Yellowstone Park in the USA.
860-288800 - R?o Tinto, Andalucia, Spain *** Local Caption *** R?o Tinto ("Red River") is very acidic (Ph 2) and has a deep reddish hue due to iron dissolved in water. The acidity of the watercourse is linked to the drainage of pyrite, which is very present in the subsoil. Extremophilic and endemic bacteria and algae colonize the river bed, forming a fragile biofilm that evokes the hot springs of Yellowstone Park in the USA.
860-288799 - R?o Tinto, Andalucia, Spain *** Local Caption *** R?o Tinto ("Red River") is very acidic (Ph 2) and has a deep reddish hue due to iron dissolved in water. The acidity of the watercourse is linked to the drainage of pyrite, which is very present in the subsoil. Extremophilic and endemic bacteria and algae colonize the river bed, forming a fragile biofilm that evokes the hot springs of Yellowstone Park in the USA.
832-385606 - Seltun, Seltun, hot springs and mud pots, geothermal area, Krysuvik high temperature area, Krisuvik, Reykjanes peninsula, near Reykjavik, Iceland, Europe
832-386493 - Geysir Strokkur on a sunny autumn day, hot spring ejects fountain, high temperature area Haukadalur, Golden Circle, southern Iceland, Iceland, Europe
832-386494 - Red stone with the inscription Geysir, next to a frozen water surface, high temperature area Haukadalur, Golden Circle, South Iceland, Iceland, Europe
832-384348 - Two tourists on a jetty in the thermal area, hot spring, Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, Wyoming, USA, North America
832-384345 - Tourists on a jetty in the thermal area, steaming hot spring, Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, Wyoming, USA, North America
832-385819 - Fog and steam from hot springs, Orakei Korako Geothermal Park, Geothermal area, Hidden Valley, Taupo Volcanic Zone, North Island, New Zealand, Oceania
1116-46893 - Bear warning sign posted on a closed gate where a trail has been closed, Liard River Hot Springs Provincial Park, British Columbia, Canada
1116-42988 - The Bright Neon Green Aurora Illuminates Above A Yurt In The Boreal Forest, Chena River State Recreation Area, Fairbanks, Alaska, United States Of America
832-382629 - Solfataras, fumaroles, mud pots, sulfur and other minerals, a woman on the viewing platform at the back, high-temperature geothermal area or Hverarond or Hverir, Namafjall mountains, Myvatn area, Norourland eystra, Iceland, Europe
832-382073 - Thermal springs of Benjë, River Lengarica, Lengaricë, near Përmet, National Park Hotova-Dangell, behind the Nemërçka Mountains, Qar Gjirokastra, Gjirokastër, Albania, Europe
832-381115 - Detailed view of the discoloration caused by bacteria and algae on a geyser, Geyser Hill, Old Faithful Area, Yellowstone National Park, Wyoming, USA, North America
832-381381 - Detailed view of the discoloration caused by bacteria and algae on a geyser, Geyser Hill, Old Faithful Area, Yellowstone National Park, Wyoming, USA, North America
832-380804 - Two tourists standing beside steaming fumarole, solfatara in Hverarond, also Hverir or Namaskard, geothermal area, North Iceland, Iceland, Europe
746-88316 - Geothermal area Hveraroend near lake Myvatn and the ring road during winter with mud pools , fumaroles and solfataras. europe, northern europe, scandinavia, iceland, February
746-88258 - Geothermal area Hveraroend with mudpots, fumarales and solfataras near lake Myvatn and the ring road. europe, northern europe, iceland, February
746-88315 - Geothermal area Hveraroend near lake Myvatn and the ring road during winter with mud pools , fumaroles and solfataras. europe, northern europe, scandinavia, iceland, February
746-88317 - Geothermal area Hveraroend near lake Myvatn and the ring road during winter with mud pools , fumaroles and solfataras. europe, northern europe, scandinavia, iceland, February
832-368239 - Hiker on a trail, hot springs and snow-capped Rhyolite Mountains, Hveradallir high temperature region, Kerlingarfjoell, highlands, Iceland, Europe
832-368234 - Tourists watching steam and a water spout, Strokkur geyser, backlit, Haukadalur valley, Golden Circle, Su√∞urland, Sudurland, southern Iceland, Iceland, Europe
832-368315 - Tourists watching a steam and water column, Stokkur geyser against the light, Haukadalur Valley, Golden Circle, Su√∞urland, South Iceland, Iceland, Europe
832-368240 - Hiker on a trail, hot springs and snow-capped Rhyolite Mountains, Hveradallir high temperature region, Kerlingarfjoell, highlands, Iceland, Europe
832-373049 - People watching Strokkur Geyser errupting, fountain, hot springs, Haukadalur, Golden Circle, Iceland, Scandinavia, Northern Europe, Europe