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
832-393732 - Sulphur fields in front of volcanic craters, glowing lava fountains, steam and shimmering air Fagradal Falls, Reykjanes, Grindavik, Iceland, Europe
832-393730 - Sulphur fields and lava fields in front of volcanic craters, glowing lava fountains, steam and shimmering air Fagradal Falls, Reykjanes, Grindavik, Iceland, Europe
832-393731 - Sulphur fields in front of volcanic craters, glowing lava fountains, steam and shimmering air Fagradal Falls, Reykjanes, Grindavik, Iceland, Europe
860-287457 - Tara Oceans Expeditions - May 2011. Bubbles rise from underwater volcanic vents among rocks, the openings are crusted with sulfur, Roca Redonda, Galapagos, Ecuador
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
869-4068 - Rio Tinto red river reddish hue due to iron copper and sulfur dissolved in the water habitat with extreme conditions for life forms Andalusia
869-4066 - Rio Tinto red river reddish hue due to iron copper and sulfur dissolved in the water habitat with extreme conditions for life forms Andalusia
869-4069 - aerial view Rio Tinto red river reddish hue due to iron copper and sulfur dissolved in the water habitat with extreme conditions for life forms Andalusia
869-4072 - Rio Tinto red river reddish hue due to iron copper and sulfur dissolved in the water habitat with extreme conditions for life forms Andalusia
869-4064 - Rio Tinto red river reddish hue due to iron copper and sulfur dissolved in the water habitat with extreme conditions for life forms Andalusia
869-4067 - Rio Tinto red river reddish hue due to iron copper and sulfur dissolved in the water habitat with extreme conditions for life forms Andalusia
832-124032 - Sulfur vapor, petrified trees in New Blue Spring Road, limestone sinter terraces, steaming geysers, hot springs, Mammoth Hot Springs Terraces in Yellowstone National Park, Wyoming, United States of America
832-46945 - Magma in the Halema'uma'u Crater in the Kilauea Caldera illuminating the rising sulfur dioxide plume against the evening sky, Hawaii Volcanoes National Park, Hawaii, USA
832-46944 - Magma in the Halema'uma'u Crater in the Kilauea Caldera illuminating the rising sulfur dioxide plume against the evening sky, Hawai'i Volcanoes National Park, Hawai'i, USA