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DSLR picture of the Irazu Volcano in Costa Rica. There is a plant in the foreground, the green volcano crater is the main focus. The sky is clear blue and the volcano summit is above clouds.
Sulphur produced by the volcano, Ijen crater, Indonesia
View of Ijen volcano in Indonesia, which has turquoise-coloured acidic crater lake
Drone shot of volcano in El Salvador
lans cafe, mountain peaks, craters, rocks
Gravel and sand open pit mining, pond with sediments - aerial view
Volcanic views and traditional sulfur mining are the main attraction at Ijen volcano, East Java, Indonesia.
Yellow salt crystals deposited by hot springs
Dallol volcano, Danakil Depression, Ethiopia
Geothermal area of Leirhnjukur, Krafla lava fields, Iceland
Sulphur crystals. Macro close-up image of yellow sulfur. Natural world crystalline chemical element also known as brimstone. Beautiful organic abstract pattern and texture background image.
Tangkuban Perahu Mountain Crater, Bandung
Museum piece isolated on white.
Drone shot of volcano in El Salvador
steaminf fumarola in a solfataric field on a slope of the volcano
Close-up of mud pool at geothermal area of Hverir in Iceland.
Ilamatepec lagoon on the active Santa Ana Volcano in El Salvador, beautiful mint green laguna in the volcano with clouds and sulfur
Resort visitors go along an elevated boardwalk to the Observation Deck in Jigokudani, Hell Valley. Gases escape from the many fumaroles on the volcanic crater. Spring afternoon in Iburi Subprefecture.
Guided tourist tour into the crater of Whakaari / White Island volcano in New Zealand
Natural morning sulfur miner at the morning at Kawah Ijen volcano Indonesia
sulfur mining and Ijen crater in turquoise color, Mount Ijen
The crater lake of Santa Ana Volcano or Ilamatepec in El Salvador
Bumpass Hell, the largest and most popular hydrothermal area, in Lassen Volcanic National Park, California
Crater
July 16, 2023 - Krysuvik, Iceland.  Visitors explore the mud pots, hot springs and steaming vents, as well as the multi-coloured mineral deposits that stain the earth.
Mineral formations at sulphur lake Dallol in a volcanic crater in the Danakil Depression, northeast of the Erta Ale Range in Ethiopia. The lake with its sulphur springs is the hottest place on Earth.
Chile, San Pedro de Atacama, Tatio Geysers in Atacama Desert
Mutnovsky volcano. a group of tourists goes in the snow in the area of the Mutnovsky volcano, Kamchatka Peninsula.
Kawah Ratu is a crater located on the southern slope of Mount Salak, created during eruptions (last one in 1938) which still emits water, hot steam, and sulphur gas
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