Colin Monteath / Andy Henderson's frostbitten fingers, photographed in Lhasa, one week after descending the North Face of Mt Everest, Tibet

Sumio Harada / Mountain Goat (Oreamnos americanus) adults and kid descending steep mountain cliff, Rocky Mountains, North America

Sumio Harada / Mountain Goat (Oreamnos americanus) adult and kid descending steep mountain cliff, Rocky Mountains, North America

Jeff Rotman / Common reef octopus (Octopus cyanea) descending, Hawaii, Pacific Ocean.

Colin Monteath / Trekkers descend steep scree slopes from Santa Rosa Pass with Jurau Lake and peaks of Yerupaja and Siula Grande in clouds, Cordillera Huayhuash, Andes, Peru

Onne van der Wal / Descending the rope to go scuba diving, British Virgin Islands, Caribbean, December, 2006.

Onne van der Wal / Descending the rope to go scuba diving, British Virgin Islands, Caribbean, December, 2006.

Kevin Schafer / Gentoo Penguin (Pygoscelis papua) descending rocks in deep snow, Antarctic Peninsula, Antarctica

Colin Monteath / Climbers descend Peon Peak, Ronge Island, Antarctic Peninsula, Antarctica

Rick Tomlinson / Polar bear (Ursus maritimus) with two cubs descending a steep, icy slope to the water's edge, Spitsbergen, Norway.

Piotr Naskrecki / Snail without shell climbing down stem, Atewa Range, Ghana

Roberto Rinaldi / An equipped diver descending into a flooded crevasse in the Perito Moreno glacier, Los Glaciares National Park, Patagonia, Argentina

Barry Mansell / Scarlet kingsnake {Lampropeltis elapsoides} descending from trunk, North Florida, USA

Yva Momatiuk & John Eastcott / Adelie Penguin (Pygoscelis adeliae) group descending to sea, Wiggins Glacier, Antarctica

Mitsuaki Iwago / Blue Wildebeest (Connochaetes taurinus) herd descending cliff during migration, Serengeti

Pete Oxford / Biologist Alexander Blanco descending a Kapok tree with a captured seven month old wild Harpy Eagle (Harpia harpyja) chick, Cuyabeno Reserve, Amazon rainforest, Ecuador

Mark Moffett / Tourists descending an old French staircase, Tam Dao National Park, Vietnam

Gavin Hellier / Drone shot of salt marshes at low tide on the Camel Estuary. The drone descends towards the ground. Birds (Aves) fly through the frame. Cornwall, UK.

Mateusz Piesiak / Drone shot of dry glacial river. The drone descends below the clouds and mountains and then the river is revealed. South Iceland. June.

Frederique Olivier / Drone tracking shot of Christmas Island red crabs (Gecarcoidea natalis) using wildlife bridge over road during migration. When the drone reaches the other side of the bridge, it pans down showing the...

Franco Banfi / Brazilian porcupine (Coendou prehensilis) climbing down tree trunk, Pantanal, Mato Grosso do Sul, Brazil.

Bruce Thomson / Torresian striped possum (Dactylopsila trivirgata) climbing down tree trunk at night, Wet Tropics World Heritage, Lake Eacham, Queensland, Australia.

Bruce Thomson / RF - Torresian striped possum (Dactylopsila trivirgata) climbing down tree trunk at night, Wet Tropics World Heritage, Lake Eacham, Queensland, Australia. (This image may be licensed either as rights...

Bruce Thomson / Torresian striped possum (Dactylopsila trivirgata) climbing down tree trunk at night, Wet Tropics World Heritage, Lake Eacham, Queensland, Australia.

Bruce Thomson / Torresian striped possum (Dactylopsila trivirgata) resting on tree trunk, Wet Tropics World Heritage, Lake Eacham, Queensland, Australia.

Franco Banfi / Mimic octopus (Thaumoctopus mimicus) swimming midwater, Bethelem III, Minahasa Lagoon, Manado, Sulawesi, Indonesia, Pacific Ocean.

Franco Banfi / Mimic octopus (Thaumoctopus mimicus) swimming midwater, Bethelem III, Minahasa Lagoon, Manado, Sulawesi, Indonesia, Pacific Ocean.

Eric Baccega / Tourists looking at colourful rocks inside the magma chamber of Thrihnukagigur volcano, a dormant volcano now used for tours. Yellow is sulfur oxide, grey and black is basalt rock and green is copper....

Eric Baccega / Tourists in the open cable lift descending into Thrihnukagigur volcano, a dormant volcano now used for tours, Iceland. September, 2023. EDITORIAL USE ONLY.

Eric Baccega / Tourists in the open cable lift preparing for descent into Thrihnukagigur volcano, a dormant volcano now used for tours, Iceland. September, 2023. EDITORIAL USE ONLY.

Eric Baccega / Tourists in open cable lift descending into Thrihnukagigur volcano, a dormant volcano now used for tours, Iceland. September, 2023. EDITORIAL USE ONLY.

Ashley Cooper / Cloud spilling over Glaramara Fell with a woman hiker descending snow-covered Robinson Fell in winter, Lake District, Cumbria, UK. January, 2023.

Ashley Cooper / Two hikers descending Great End mountain covered in rime ice, with Great Galbe in the background, Lake District, Cumbria, UK. December, 2022.

Neil Aldridge / Chacma baboon (Papio ursinus) using termite mound as a lookout point over grassland before climbing down and leaving frame, Okavango Delta, Botswana.

Doug Allan / Glaciologist descends into crevasse inside glacier, Halley Bay, Brunt Ice Shelf, Antarctica.

Doug Allan / Glaciologist descends into crevasse inside glacier, Halley Bay, Brunt Ice Shelf, Antarctica.

Terry Whittaker / House mouse (Mus musculus) entering frame, climbing down rope whilst carrying nut and leaving frame, garden shed, Greater Manchester, UK.

Jabruson Motion / Eastern mountain gorilla (Gorilla beringei beringei) infant hanging from vine and spinning before descending to ground, Virunga National Park, Democratic Republic of Congo, 1996. Critically Endangered...

Jabruson Motion / Eastern mountain gorilla (Gorilla beringei beringei) infant climbing down branches backwards as two females feed behind, Bukima, Virunga National Park, Democratic Republic of Congo, 1996. Critically e...

Jabruson Motion / Eastern Mountain Gorilla (Gorilla beringei beringei) juvenile entering frame, climbing down tree backwards and leaving frame, Bukima, Virunga National Park, Democratic Republic of Congo, 1996. Critica...

David Pattyn / Andean squirrel (Sciurus pucheranii) resting on tree trunk, Medellin area, Antioquia, Colombia.

Neil Aldridge / Bornean orangutan (Pongo pygmaeus) juvenile enters and leaves frame by climbing backwards down tree, Sepilok Orangutan Sanctuary, Sabah, Borneo, Malaysia. Endangered.

David Tipling / Starlings (Sturnus viulgarus) flying in to roost at sunset, Fakenham, Norfolk, UK. January.

Ashley Cooper / Red squirrel (Sciurus vulgaris) scampering down a tree trunk in woodland, Beaumaris, Anglesey, Wales, UK. April.

Derek Galon / Drone tracking shot of black sand beach and Coconut palms (Cocos nucifera). The drone ascends above the palms and then descends. Rosalie Bay, Dominica.

Doug Wechsler / Tree swallow (Tachycineta bicolor) migratory flock descending to feed on Bayberries (Myrica pensylvanica), Cape May, New Jersey, USA. October.

Doug Wechsler / Tree swallow (Tachycineta bicolor) flock descending to feed on Bayberries (Myrica pensylvanica) during southward migration, Cape May, New Jersey, USA. October.

Natalie Clements / Brown-throated sloth (Bradypus variegatus) juvenile climbing down a tree. The animal stops and looks around. The sloth is covered with sloth moths (Cryptoses choloepi). Isla Bastimentos, Bocas Del To...

Natalie Clements / Brown-throated sloth (Bradypus variegatus) juvenile climbing down a tree, Isla Bastimentos, Bocas Del Toro, Panama.

Shane Gross / Humpback whale (Megaptera novaeangliae) creating bubble arc with fin after surfacing, Tubuai, French Polynesia, Pacific Ocean.

Shane Gross / Humpback whale (Megaptera novaeangliae) swimming above freediver as another dives behind them, Tubuai, French Polynesia, Pacific Ocean.

Nick Garbutt / Lion (Panthera leo) female, climbing down tree branch, near Ndutu, Ngorongoro Conservation Area / Serengeti National Park border, Tanzania.

Nick Garbutt / Leopard (Panthera pardus) female, descending from Acacia (Acacia sp.) tree in evening light, Ndutu area, Serengeti / Ngorongoro Conservation Area, Tanzania.

Nick Garbutt / Leopard (Panthera pardus) female, descending from Acacia (Acacia sp.) tree in evening light, Serengeti / Ngorongoro Conservation Area, Tanzania.

Frederique Olivier / Drone tracking shot in a tropical rainforest. The drone descends from the tree trunk and reveals roots, Christmas Island, Indian Ocean.

Charlie Hamilton-James / Blue wildebeests (Connochaetes taurinus) moving down steep riverbank with rest of herd gathering above, preparing to cross the Mara River, below Look Out Hill, Masai Mara, Kenya, Africa. September.

Charlie Hamilton-James / Blue wildebeests (Connochaetes taurinus) moving down steep riverbank with rest of herd gathering above, preparing to cross the Mara River, below Look Out Hill, Masai Mara, Kenya, Africa. September.

Charlie Hamilton-James / Blue wildebeests (Connochaetes taurinus) leaping down steep riverbank to cross Mara River below Look Out Hill, Masai Mara, Kenya, Africa. September.

Charlie Hamilton-James / Blue wildebeests (Connochaetes taurinus) leaping down steep riverbank to cross Mara River below Look Out Hill, Masai Mara, Kenya, Africa. September.

Charlie Hamilton-James / Blue wildebeest (Connochaetes taurinus) herds descending down steep riverbank to cross the Mara River, Maasai Mara, Kenya, Africa. September.

Charlie Hamilton-James / Blue wildebeest (Connochaetes taurinus) herds descending steep riverbank to cross the Mara River, Masai Mara, Kenya, Africa. August, 2020.

Charlie Hamilton-James / Blue wildebeest (Connochaetes taurinus) herd descending steep riverbank to cross the Mara River, Masai Mara, Kenya, Africa.

Charlie Hamilton-James / Blue wildebeest (Connochaetes taurinus) herds descending steep riverbank to cross the Mara River, Masai Mara, Kenya, Africa. August, 2020.

Jabruson / Bonobo (Pan paniscus) subadult male makes way for female descending from canopy carrying infant on her back. After descending, female jumps across to another branch. Water droplets can be seen as the...

Ashish & Shanthi Chandola / Two Urials (Ovis vignei vignei) descending steep, dusty mountainside, Hemis, Ladakh, India.

Jabruson Motion / Bonobo (Pan paniscus) mother sitting in the canopy with her infant before they both climb down and leave the frame, Lomako Yokokala Faunal Reserve, Democratic Republic of the Congo, August, 2020.

Jabruson Motion / Bonobo (Pan paniscus) mother sitting on a branch in the canopy with her infant, before a male climbs down the tree, Lomako Yokokala Faunal Reserve, Democratic Republic of the Congo, August, 2020.

Roland Seitre / Brown mouse lemur (Microcebus rufus) climbing down a tree trunk at night, Ranomafana National Park, Madagascar.

Jabruson Motion / Bonobo (Pan paniscus) mother sitting in the canopy before being joined by a male, with an infant following. Male then climbs out of frame, Lomako Yokokala Faunal Reserve, Democratic Republic of the Co...

David Fleetham / Four free divers descending down to the reef, Hawaii, Pacific Ocean. Model released.

SCOTLAND: The Big Picture / Two mountain bikers descending a mountain ridge at sunset, Cairngorms National Park, Scotland, UK. September, 2015.

Jami Tarris / Jaguar (Panthera onca) climbing down riverbank, Pantanal, Brazil

Ashley Cooper / Hikers descending Sail hill towards Causey Pike in winter, Lake District National Park, Cumbria, UK. December, 2020.

Michael W. Richards / Large flock of Common starlings (Sturnus vulgaris) flying into reedbed to roost, Ham Wall, Somerset Levels, UK, October.

Michael W. Richards / Large flock of Common starlings (Sturnus vulgaris) flying into reedbed to roost, Ham Wall, Somerset Levels, UK, October.

Michael W. Richards / Large flock of Common starlings (Sturnus vulgaris) flying into reedbed to roost, Ham Wall, Somerset Levels, UK, October.

Sylvain Cordier / Red Squirrel (Sciurus vulgaris) descending from the trunk of a plum tree (Prunus domestica) Oise, France, July.

Kim Taylor / Barn swallow (Hirundo rustica), flying over a cattle trough, descending vertically to come in low over the water and drink. Slow motion. The rapid passing of the swallow causes Water boatmen / Backswi...

Eduardo Blanco / Wild cat (Felis silvestris) walking down through snow, Cantabrian Mountains, Spain. January.

Eduardo Blanco / Wild cat (Felis silvestris) climbing down a rock, Cantabrian Mountains, Spain. January

Guy Edwardes / Bleeding fairy helmet (Mycena haematopus), three descending in height. New Forest National Park, England, UK. September.

Markus Varesvuo / Grey-headed woodpecker (Picus canus) female in flight, Kuusamo, Finland. January.

Enrique Lopez-Tapia / Tourists descending Uluru / Ayers Rock, following marked route. Uluru-Kata Tjuta National Park, Northern Territory, Australia. 2008.

Enrique Lopez-Tapia / Markings along route down Uluru / Ayers Rock, tourists descending in distance. Uluru-Kata Tjuta National Park, Northern Territory, Australia. 2008.

Enrique Lopez-Tapia / Tourists descending Uluru / Ayers Rock on designated route. Uluru-Kata Tjuta National Park, Northern Territory, Australia. 2008.

Edwin Giesbers / Peregrine (Falco peregrinus) diving whilst hunting. The Netherlands. May.

Neil Challis / Cucumber spider (Araniella sp.) descending on March fly prey caught in web, Ashridge Estate, Hertfordshire, UK, May.

Neil Aldridge / Red squirrel (Sciurus vulgaris) grooming while sat on branch, before descending tree, Cairngorms National Park, Scotland.

Neil Aldridge / Young Leopard (Panthera pardus) descending from a tree, Maasai Mara National Reserve, Kenya.

Suzi Eszterhas / Leopard (Panthera pardus) walking down branch. Okavango Delta, Botswana.

Jack Dykinga / Saguaro (Carnegiea gigantea), old cactus with twisted descending arms, in morning light. Cabeza Prieta National Wildlife Refuge, Arizona, USA. February 2020.

Jack Dykinga / Yellow-headed blackbirds (Xanthocephalus xanthocephalus) flock descending into the marsh cattails at sunset, causing cattail seeds to drift in the air. Whitewater Draw, Arizona State Game and Fish Res...

Jack Dykinga / Yellow-headed blackbirds (Xanthocephalus xanthocephalus) flock descending into the marsh cattails at sunset, Whitewater Draw, Arizona State Game and Fish Reserve, USA. January.

Jack Dykinga / Yellow-headed blackbirds (Xanthocephalus xanthocephalus) flock descending into the marsh cattails at sunset, Whitewater Draw, Arizona State Game and Fish Reserve, USA. January.

Jack Dykinga / Yellow-headed blackbirds (Xanthocephalus xanthocephalus) flock descending into the marsh cattails at sunset, Whitewater Draw, Arizona State Game and Fish Reserve, USA. January.

Lorraine Bennery / Roots of Banyan tree (Ficus benghalensis) descending into limestone sink-hole, Tsimanampetsotsa National Park, Madagascar.