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1358 items

Black-and-white view of a smooth, cracked rock pavement with scattered boulders, a lake and snowy jagged peaks behind, and a ribbed spiral ammonite fossil in the rock at the bottom. — When giants crawl.. Christian Massari

Black-and-white view of a ship on a calm sea whose dark smoke rises in a column and then spreads out flat in a long horizontal layer across the sky. — Temperature inversion Laboratory of Meteorology

Electron micrograph of cement clinker: a dense jumble of needle-shaped and plate-like crystals with small rounded grains, with a scale bar of about 20 µm. — SEM image of cement clinker Konstantinos Kourtidis

Black-and-white close view of a twisted, mostly dead bush with bare branches sprawled across sandy desert ground, casting a long shadow, with a low mesa behind. — A struggling survivor Borbála Hortobágyi

Black-and-white electron micrograph of chains of small round beads on thin threads, like beads on a string, forming a cross-shaped bridge between large smooth mineral grains. — The Pillars of the Earth Ana Miller

Black-and-white rock face where thin layers of rock bend upwards in a broad dome shape like an arch, rising from loose stones and a small plant at the base. — Explosion Silvia Favaro

Rainbow falling across the dark flank of a snow-capped mountain beside a fjord, with grey choppy water in front, a green slope on the left and a heavy grey sky. — Norway-From Tromso To Vesteralen Islands By The Hurtigruten Coastal Steamer 01 Sokratis Nikoglou

Shaft of light breaking through dark storm clouds over a choppy sea, with a breaking green-white wave in front and a dim, steep island peak on the horizon. — Norway-Lofoten Islands-Henningsvaer Sokratis Nikoglou

Near-infrared view of a towering dark grey ash column rising from a volcano with a small orange glow at its base, above flanks of silvery-white vegetation and dark lava flows. — Cloudy ash eruption at Mt. Etna Jonas Kuhn

Black-and-white view down onto a heart-shaped mountain lake reflecting clouds, set in grassy rolling slopes, with ranges of peaks and one sharp summit receding under a cloudy sky. — Love lake in the French Pyrénées Benjamin Moris-Muttoni

Black-and-white view of a long beach with cars parked on the sand and waves rolling in, under dramatic heavy clouds, with a small building on a clifftop in the distance. — View of the Mausoleum Mike Smith

Black-and-white portrait of an elderly person with a deeply wrinkled face, tousled hair and a stud in each side of the nose, wearing a buttoned top and a patterned shawl. — The Conservation of Mass: From Life to Dust Nikitha Thapasimuthu Rajakumar

Black-and-white infrared view of two people walking down a barren volcanic slope towards a wide plateau with dark lakes, under a nearly black sky. — Descent into the Caviahue caldera from Copahue volcano Jonas Kuhn

Black-and-white view of a rugged granite outcrop on a mountain summit beside a dry stone wall that runs along the ridges, with moorland hills stretching away under dark clouds. — The Wall along the Mourne Moutains Melanie Biausque

Electron micrograph of a dense tangle of thin straight fibres, some lying loose like scattered sticks and others gathered into curved, tapering bundles, with a 5 micrometre scale bar. — A serpentine nanotubes Mikado? Romain Lafay

Black-and-white electron micrograph of a limestone surface with two rounded fossil shapes surrounded by clusters of small blocky calcite crystals, with a 200 micrometre scale bar. — Fossils surrounded by calcite crystals Ioana Popister

Black-and-white close view of three people in wide-brimmed hats and field shirts, one in sunglasses, standing among spiky agave-like plants and thin trees. — Old geologists at the outcrop Elizaveta Moiseeva

Black-and-white electron micrograph of fungal hyphae, beaded strands with clusters of round spores, winding over crinkled particles of spent coffee grounds, with a 1 micrometre scale bar. — Mushroom hyphae in Vega soil Francisco Comino

Black-and-white view of a kidney-shaped outdoor swimming pond with reeds and a person wading, set among building sites, cranes, warehouses and new office blocks under a cloudy sky. — Nature Reengineered: the Self-Cleaning Swimming Pool Mike Smith

Black-and-white view of a person standing on a rounded rock knoll above eroded, layered badlands ridges stretching to the horizon under a dark, cloudy sky. — Badlands national park, South Dakota, USA Iain Willis

Aerial view of a dull, snow-dusted lowland with a winding river, looping meanders, oxbow lakes and frozen channels among dark patches of shrubs. — Yamal's art Artyom Sheludkov

Aerial view of dark volcanic ground covered with hundreds of round pits, each edged by a low semicircular wall like elephant skin, crossed by branching tracks. — Vineyards - Canary Island style Thomas Wöhling

Old mango tree with twisting, moss-covered branches spreading over large boulders in thick fog, a small yellow sign fixed to its trunk. — Branches of mother nature Ujas Pandya

Black-and-white view of two people shaking a large mesh sieve full of soil in a forest, the fine earth falling through, while a third person crouches in a hole behind it smiling. — Find all those roots! Alexander Horton

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