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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.

Marble quarries in Custonaci Trapany Sicily Italy Aerial view Today, more than 200 quarries, 54 of which in activity, are recorded in a small area 3 km2 between Monte Cofano and Monte Sparagiaio.

A meteorite crater in the america n desert

Belgian Pool view of Old Faithful Geyser Erupt in Yellowstone National Park, Wyoming, USA.

Medium close up of the center part of the Meteor Crater, a natural landmark of meteorite impact site near Winslow, Arizona.

Abstract marble texture background stock photo, suitable for design.

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

Thermal springs and white limestone terraces

Colorful thermal pool in Yellowstone National park

Yellowstone Geyser erupts at Yellowstone National Park in the northwest corner of Wyoming, USA.Nikon D3x

$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 \$

Beach Spring view of Old Faithful Geyser Erupt in Yellowstone National Park, Wyoming, USA.

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.

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).

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.

Mountains of phosphoric acid production waste from chemical plant. Futuristic landscape

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

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.

Barringer Meteor Crater landscape terrain between Winslow and Flagstaff, Arizona.

Mount Nemrut is a 2,150 meter high mountain located in Adıyaman province of Turkey. The Commagene king Antiochos Theos had his own temple built on the top of this mountain in 62 BC, as well as the statues of many Greek and Persian gods.

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.

Free Images: "bestof:Subsidence Crater Formation 4.jpg en Underground Testing at the NNSS � Subsidence Crater Formation 4/4 Nevada National Security Site Tour Booklet http //www"

Crater lake crater lake national park Oregon.jpg

Natural bridges rock formation scenic in national park.jpg

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Volcanic crater at Ingakslugwat hills.jpg

Bitter Lake Birds Flying In Formation.jpg

Natural areas El Morro rock formation.jpg

Poltava island arches above water stone formation.jpg

sandstone-landscape-in-Red-Rock-Canyon-National-Conservation-Area.jpg

Scenic view of crater lake with snow cover.jpg

Cathedral point and spire rock formation.jpg

Seguam island seahorse rock formation in water.jpg

Ice formation on rocky on river coast.jpg

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