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4235 items

Hapludol éntico | Entic Hapludoll Alejandro Becerra

Aerial view of smooth sand dunes with curving crests and soft shadows, sweeping in waves across the frame, with tiny dark specks of vegetation. — Coastal dunes, Namib Stefan Wirtz

Close-up of a muddy puddle edge: a smooth slope of brown sediment furrowed by fine branching channels runs down to a pool of liquid mud with small lumps and cracks. — Canyons and deep water escarpments...on hand Chiara Zuffetti

Three-toed dinosaur footprint pressed into reddish-orange rock, framed by a rounded crack in the stone surface around it. — A track from the past Simona Gabrielli

Small domed brick building with an arched red door standing on bare sand, with several people outside, some wearing head wraps, and green trees and rocky hills behind. — Local Balneo-Clinic Housing The Medicinal Tafadek Spring, Nw Of Agadez, Niger Republic K'Tso Nghargbu

Pink sandy ground strewn with angular stone chips, dotted with small piles of bright red granular soil around ant nest entrances. — Red-on-pink anthill entrances Antonio Jordán

Person walking across a rippled sand dune, past a smooth darker patch of damp sand among the ripples, with a flat desert stretching to the horizon. — Wet patches on the sand dunes Jaafar Jotheri

Aerial view looking down on cracked, pale brown mud with round water-filled sinkholes in olive, dark brown and orange, ringed by concentric cracks. A thin green line from the balloon crosses the frame. — Water-filled sinkholes at the Dead Sea Djamil Al-Halbouni

Flat expanse of reddish-orange mud with a few small tufts of grey-green plants and shallow pools, edged by low vegetation and trees under a blue sky with white clouds. — Salt marshland in Moguer (Huelva, SW Spain) Antonio Jordán

Glowing orange and yellow Sun just above the horizon, flattened and with ragged edges, with the small dark round disc of Venus near its top and a thin dark cloud band across its lower part. — Transit of Venus over the Sun Eliza Teodorescu

Close-up of orange and cream sandstone with parallel stripes of bedding cut by straight pale fractures crossing at angles into diamond shapes. — Geology is all about patterns Jeff Munroe

Aerial view of dry brown savanna with clusters of round dark patches of old livestock enclosures, a few still fenced, dotted with small bushes and crossed by a dirt road. — livestock enclosures in East Africa (boma, kraal) Matti Barthel

Small sapling with a pale trunk and a few green leaves growing out of a crack near the top of a large orange speckled granite boulder, seen from below against a blue sky. — I've got no roots on the ground Florian Heine

Aerial view of a long wooden boat with an outboard motor moored at a sandy riverbank, three people bathing in the brown water and one standing on the bank. — After work time! Fernando Leceta Gobitz

Cathodoluminescence micrograph of calcite: glowing orange and dark red zoned crystals with triangular and zigzag growth bands, like a pattern of stars. — Starlight calcite Marcello Natalicchio

Pale layered sand face cut by many small criss-crossing fault lines between two larger steep faults, framed by black and white scale bars and a white card marked 1. — Jacob's Ladder David Tanner

Golden sand dune slope in low light, with fine small ripples on the flat top, larger ripples running down the steep face, and coarser ridges along the bottom edge. — Complex ripples pattern Hezi Yizhaq

Deep gully cut into red soil, its steep walls cracked and broken blocks fallen into the channel, with a field of crops along the top edge under a cloudy sky. — Soil erosion after heavy rainfall Daniel Althoff

Wide sandy beach covered in footprints leading out to a low, rocky, scrub-covered island, with turquoise sea and breaking waves on the left, a lone person walking on the sand and a heavy grey sky. — Robberg Peninsula Nature Reserve, South Africa. "The island" Elizaveta Kovaleva

Forest floor thickly covered with a mat of brown pine needles, with a pine trunk with flaking pink and grey bark, a pine cone, a few green shoots and shrubs. — Natural mulch Antonio Jordán

Two woolly sheep grazing on bare reddish-brown ground patched with snow, while a black long-haired dog lies beside a muddy puddle in the foreground, with snowy plains and a pole behind. — Snow, dog and sheep Xueyi Xun

Black-and-white view of a small building completely encrusted in thick, ragged rime ice on a snowy summit at night, with a lone figure on the snow nearby. — Olympus Observatory Laboratory of Meteorology

Desert cliff face of yellow, beige and pale orange sediment in distinct horizontal layers, some thick and some finely laminated, under a grey-blue sky. — Stratification and Lamination Metwally Hamza

Close-up of a rough tan rock overhang with a row of vertical stalactite columns and narrow dark gaps between them, under a pale sky. — Stalagmites and Stalactites Metwally Hamza

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