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large depression in the terrain with snow in the mountains caused by the explosion of a mine in the First World War
Obruks are large collapse sinkholes in a low limestone plateau within the Konya Basin of central Türkiye. The name of this sinkhole is \
Surface photography of nature pattern Crystal shot for background.
Looking down into Arizona's Meteor Crater along the southern rim.
Hot river at Geothermalatea in  the Haukadalur valley, east of Reykjavík, Iceland.
The pit called Kup, which is said to have been formed as a result of a meteorite fall, is a karstic sinkhole.
Hurricane Earl gathers strength in the Atlantic. A color enhanced satellite image of Earl as it develops into a hurricane. Earl is expected to gather strength into a major storm, the first one of 2022. The false color image depicts cloud tops whereby brighter white relate to higher and more moist conditions. The eye is not well shown in the satellite image.
Wet rough asphalt black bitumen road pavement surface abstract grunge texture close-up top view background banner.\nBitumen is a sticky, black, highly viscous liquid or semi-solid form of petroleum. In the U.S., it is commonly referred to as asphalt. It may be found in natural deposits or may be a refined product, and is classed as a pitch. Before the 20th century, the term asphaltum was also used.\nTarmacadam is a road surfacing material made by combining crushed stone, sand, and tar. It is a more durable and dust-free enhancement of simple compacted stone macadam surfaces. The terms \
Belgian Pool view of Old Faithful Geyser Erupt in Yellowstone National Park, Wyoming, USA.
A meteorite crater in the america n desert
Thermal springs and white limestone terraces
Beautiful view of Pamukkale - Turkey.
Old concrete texture close-up. Can be used as a background.
Transmission electron microscope (TEM) micrograph showing dark melanin granules in a melanocyte (top center) and in several keratinocytes, which, unlike melanocytes, have bundles of keratin filaments
Abstract marble texture background stock photo, suitable for design.
Colorful thermal pool in Yellowstone National park
Yellowstone Geyser erupts at Yellowstone National Park in the northwest corner of Wyoming, USA.Nikon D3x
Solar radiation analysis of a public building. Multipurpose common public space analysis with parametric louvers to control sun exposure and radiation.
Beach Spring view of Old Faithful Geyser Erupt in Yellowstone National Park, Wyoming, USA.
Cretaceous road in the Ukraine, the village of Mogritsa.
Magma
Coloured transmission electron micrograph (TEM) of a small arteriole showing, from lumen: endothelium (magenta), discontinuous internal elastic lamina (blue), cross-sectioned smooth muscle fibers (cytoplasm, red, nucleus, light yellow) and connective tissue of adventitia (green).
Close-up shooting of a green agate stone mineral surface isolated on white background. Its a macro shot shows nature beautiful details with back lit. Agate is a kind of natural gemstone. Many vibrant colors turquoise, orange, blue, yellow, green. Abstract pattern. Good for Wallpaper texture background.
Mountains of phosphoric acid production waste from chemical plant. Futuristic landscape
Travertine terraces made from the hot springs at Pamukkale National Park, leaving deposits of calcium. Pamukkale means cotton castle in Turkish and is in the province of Denizli in southwestern Turkey.
Yellowstone National Park, Park County, Wyoming, United States. In the Mammoth Hot Spring area. On a travertine hill, many hot springs deposit each day tons of water containing calcium carbonate. Their energy comes from the magmatic system that feeds other Yellowstone geothermal areas.
Drone 4k photo of ancient ruins of the old Greek city with colisseum hidden in the forest and cliffs during sunset in Lycia South Turkey
Looking down into Arizona's Meteor Crater along the southern rim.
Neglected pool. Neglected pool in the home garden in nature, nature mountain tree view in the background.Yellow grass grew around the pool.
Free Images: "bestof:Subsidence Crater Formation 2.jpg en Underground Testing at the NNSS � Subsidence Crater Formation 2/4 Nevada National Security Site Tour Booklet http //www"
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Sunset Crater Volcano NM-27527-3.jpg
Crater lake crater lake national park Oregon.jpg
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Natural areas stone formation.jpg
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Barringer meteorite crater.jpg
Volcanic crater at Ingakslugwat hills.jpg
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Bitter Lake Birds Flying In Formation.jpg
Akun columnar basalt formation.jpg
Basalt rock formation near bettles.jpg
Kangaroo island rock formation.jpg
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Natural areas El Morro rock formation.jpg
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Sunset Crater Volcano NM-27527-4.jpg
Scenic view of crater lake with snow cover.jpg
Big nature stone formation.jpg
Basalt columns stone formation.jpg
Ice formation on Wichita mountains.jpg
Ice formation winter sculpures.jpg
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Yosemite panorama (half dome, etc.).jpg
Sunset Crater Volcano NM-27527-1.jpg
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Seguam island seahorse rock formation in water.jpg
Ice formation on rocky on river coast.jpg
Seleucus crater AS15-M-2621.jpg
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