Fumarole, una fonte di vapore nella regione di Hveraroend Hot Springs, Namafjall, Islanda, Europa - Foto e immagini stock

The crater of volcano Sibayak on island Sumatra, Indonesia

Walking route in the crater of the active volcano Mutnovsky on the Kamchatka Peninsula. Fumarolic fields on thermal areas inside the crater

Hot springs, high temperature area in the valley Haukadalur, mineral deposits, tourist attractions, Golden Circle Route, dramatic cloud formation, Iceland, Europe

Hot springs with mud pools and steam, geyser field, Sol de Maana, Altiplano, Bolivia, South America

Crater on the island Vulcano, Lipari Islands, Italy, Europe

Geothermal area, Sol de Maana, Altiplano, Tocotocare, Potosi, Bolivia, South America

Scenic view of Primordial landscape, Sol de Maana, Altiplano, Bolivia, South America

Water vapor coming out of a hole, geothermal area Gunnuhver, Reykjanesskagi, Iceland, Europe

Steaming fumaroles, solfatars, solfataren field at Nmafjall volcano, mud pot, high temperature area Nmaskar or Namskard, Nmafjall, North Iceland, Iceland, Europe

Scenic view of Halemaumau Crater,, Hawaii Volcanoes National Park, Big Island, Hawaii, United States, North America