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View of Harpa Concert Hall and Conference Centre in the city centre in winter, Reykjavik, Iceland
View of Harpa Concert Hall and Conference Centre in the city centre in winter, Reykjavik, Iceland
View of geysers at Geysir Hot Springs in winter, Western Region, Iceland
View of geysers at Geysir Hot Springs in winter, Western Region, Iceland
A view of the boiling mud at Namafjall, Iceland
Sulphur and other minerals at an active fumarole field by Lake Linow, a volcanic attraction south of Tomohon city, Lake Linow, Tomohon, North Sulawesi, Indonesia, Southeast Asia, Asia
Mount Naka active crater lake, Mount Aso, Kyushu, Japan, Asia
Mount Naka active crater lake, Mount Aso, Kyushu, Japan, Asia
Hot Springs at the Langarice Canyon, Vjosa (Vjose) River, Albania, Europe
Boiling water at a steaming fumarole field by Lake Linow, a volcanic attraction south of Tomohon city, Lake Linow, Tomohon, North Sulawesi, Indonesia, Southeast Asia, Asia
Steaming volcanic fumarole field at Bukit Kasih, a tourist park with a world peace themed tower and worship houses of five major religions, Bukit Kasih, Minahasa, North Sulawesi, Indonesia, Southeast Asia, Asia
Steaming fumarole field at Bukit Kasih, a tourist volcanic park with a world peace themed tower and worship houses of five major religions, Bukit Kasih, Minahasa, North Sulawesi, Indonesia, Southeast Asia, Asia
The El Tatio Geothermal Field, located in the Altiplano of northern Chile, South America
Boiling mud pots in the Eduardo Avaroa Andean Fauna National Reserve, Potosi Department, Bolivia, South America
Hot springs in the village of Karakhait in Turkey, Pamukkale, Anatolia, Turkey, Asia Minor, Asia
Steaming fumaroles, sulphur and volcanic strata in Tompaluan active crater by Mount Lokon volcano near Tomohon city, Gunung Lokon, Tomohon, North Sulawesi, Indonesia, Southeast Asia, Asia
Steaming fumarole field at Bukit Kasih, a tourist volcanic park with a world peace themed tower and worship houses of five major religions, Bukit Kasih, Minahasa, North Sulawesi, Indonesia, Southeast Asia, Asia
Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Rainbow Geyser, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Sol de Manana, a geothermal field in Sur Lipez Province in the Potosi Department, Bolivia, South America
Geysers El Tatio, Antofagasta Region, Chile, South America
Mount Naka active crater lake, Mount Aso, Kyushu, Japan, Asia
Steaming fumarole field at Bukit Kasih, a tourist park with a world peace themed tower and worship houses of five major religions, Bukit Kasih, Minahasa, North Sulawesi, Indonesia, Southeast Asia, Asia
Grand Prismatic Spring, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Cliff Geyser erupting in the Black Sand Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Rainbow Geyser and surreal the colors that the different bacteria create in these geysers, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Steaming fumarole with sulphur deposits in Tompaluan active crater by Mount Lokon volcano near Tomohon city, Gunung Lokon, Tomohon, North Sulawesi, Indonesia, Southeast Asia, Asia
Boy fishing on dock by changing colour Lake Linow, a popular volcanic attraction and geothermal centre south of Tomohon city, Lake Linow, Tomohon, North Sulawesi, Indonesia, Southeast Asia, Asia
Geyser and steam vents at Te Puia, Gisborne District, North Island, New Zealand, Pacific
Sulfurous vents in the geothermal area of Te Puia, Gisborne District, North Island, New Zealand, Pacific
Leirhnjukur thermal area and eruption site near Krafla geothermal power station, Lake Myvatn, North area, Iceland, Polar Regions
Porcelain Springs, Norris Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
The geothermal zone in Landmannalaugar, Iceland, Polar Regions
Champagne Pool, geothermal area, Te Puia, Gisborne District, North Island, New Zealand, Pacific
Natural pool of boiling water, geothermal area, Te Puia, Gisborne District, North Island, New Zealand, Pacific
Mount Naka active crater lake, Mount Aso, Kyushu, Japan, Asia
Steaming volcanic fumarole field at Bukit Kasih, a tourist park with a world peace themed tower and worship houses of five major religions, Bukit Kasih, Minahasa, North Sulawesi, Indonesia, Southeast Asia, Asia
Worship houses of five major religions at Bukit Kasih, a volcanic tourist park with a world peace themed tower, Bukit Kasih, Minahasa, North Sulawesi, Indonesia, Southeast Asia Asia
Old Faithful, a cone geyser, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Hot springs in the village of Karakhait in Turkey, Pamukkale, Anatolia, Turkey, Asia Minor, Asia
Steaming fumaroles by Lake Linow, a popular volcanic attraction and geothermal centre south of Tomohon city, Lake Linow, Tomohon, North Sulawesi, Indonesia, Southeast Asia, Asia
The Blue Crater Lake of Viti, which appeared after an eruption in 1875, part of the sulphurous geothermal area of Namafjall, Reykjahlio, Iceland
Pathway through steaming Sulphur pits, Hell Valley, Shikotsu-Toya National Park, Noboribetsu, Hokkaido, Japan, Asia
Steaming volcano of Hell Valley, Noboribetsu, Hokkaido, Japan, Asia
Steaming turquoise blue volcanic pond of Hell Valley, Noboribetsu, Hokkaido, Japan, Asia
Geysers El Tatio, Antofagasta Region, Chile, South America
Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
The Gudunvher geothermal plant, with the Reykjanesviti lighthouse, at the southwestern tip of the Reykjanes peninsula, Iceland, Polar Regions
Seltun geothermal area, Krysuvik, Reykjanes peninsula, Iceland, Polar Regions
Steaming fumarole field at Bukit Kasih, a tourist park with a world peace themed tower and worship houses of five major religions, Bukit Kasih, Minahasa, North Sulawesi, Indonesia, Southeast Asia, Asia
Geothermal mud pot in Biscuit Basin in Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Aerial abstract view of the geothermal area near to Icleandic southern coast, Iceland, Polar Regions
Daisy Geyser, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Fumaroles of Furnas Lake, Island of Sao Miguel, Azores, Portugal, Atlantic, Europe
Grand Prismatic Spring, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Champagne Pool in the Waiotapu geothermal area in the North Island, New Zealand, Pacific
Mount Naka active crater lake, Mount Aso, Kyushu, Japan, Asia
Geysers El Tatio, Antofagasta Region, Chile, South America
Fumarolas da Lagoa das Furnas, hot springs, Sao Miguel Island, Azores, Portugal, Atlantic, Europe
Namafjall Geothermal Area in Iceland, Europe
Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Seltun geothermal area, Krysuvik, Reykjanes peninsula, Iceland, Polar Regions
Pathway through steaming Sulphur pits, Hell Valley, Shikotsu-Toya National Park, Noboribetsu, Hokkaido, Japan, Asia
Fumarolas da Lagoa das Furnas, hot springs, Sao Miguel Island, Azores, Portugal, Atlantic, Europe
Geysir Hot Springs in Iceland at the Golden Circle about an hour from Reykyavik, Iceland, Polar Regions
View of hot springs in the Haukadalur valley on the slopes of Laugarfjall hill, Iceland, Polar Regions
Close-up view of the Hell Valley volcano, Noboribetsu, Hokkaido, Japan, Asia
Palette Spring, Travertine Terraces, Mammoth Hot Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Seltun geothermal area, Krysuvik, Reykjanes peninsula, Iceland, Polar Regions
Geothermal Reykjanes power plant and smoking fumarole at Gunnuhver hot spring, Reykjanes Peninsula, Iceland
Aerial abstract view of the geothermal area near to Icleandic southern coast, Iceland, Polar Regions
Hell Valley at Shikotsu-Toya National Park, Noboribetsu, Hokkaido, Japan, Asia
Mount Hiyori rises above Oyunuma Lake in Hell Valley, Noboribetsu, Hokkaido, Japan, Asia
Canary Spring, Travertine Terraces, Mammoth Hot Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
West Thumb Geyser Basin in Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Grand Prismstic Spring, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Fumarole in Namafjall Geothermal Area in Iceland, Europe
Lady Knox Geyser eruption with rainbow, Waiotapu, North Island, New Zealand, Pacific
Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Kuirau Park, geothermics, Rotorua, Bay of Plenty, North Island, New Zealand, Pacific
Wai-O-Tapu Thermal Wonderland, Rotorua, Bay of Plenty, North Island, New Zealand, Pacific
Seltun geothermal area, Krysuvik, Reykjanes peninsula, Iceland, Polar Regions
A steaming volcanic pool at Geysir, in the Golden Circle, in southwest Iceland, Polar Regions
Solfataras and boiling mud pools, Namafjall, Krafla geothermal area, near Myvatn, N E Iceland, Polar Regions
Old Faithful Geyser, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Fumarolas da Lagoa das Furnas, hot springs, Sao Miguel Island, Azores, Portugal, Atlantic, Europe
Namafjall Geothermal Area in Iceland, Europe
Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Dramatic volcanic landscape with mudpools in geothermal area on Reykjanes Peninsula, near Keflavik, Iceland, Polar Regions
Seltun geothermal area, Krysuvik, Reykjanes peninsula, Iceland, Polar Regions
Grand Prismatic Spring and bacterial mats, Midway Geyser Basin, Yellowstone National Park, Teton County, Wyoming, United States of America, North America
Grand Prismatic Spring and bacterial mats, Midway Geyser Basin, Yellowstone National Park, Teton County, Wyoming, United States of America, North America
Geothermal power plant, Blue Lagoon, Grindavik, Iceland, Polar Regions
Seltun geothermal area, Krysuvik, Reykjanes peninsula, Iceland, Polar Regions
Hot springs in the village of Karakhait in Turkey, Pamukkale, Anatolia, Turkey, Asia Minor, Asia
Steam rising from geothermal pools at sunrise in winter, Geysir, Haukardalur Valley, Iceland, Polar Regions
Crested Pool, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America