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Extraordinary sandstone rock structure called Dancing Rocks in the Sharaan Nature Reserve, AlUla, Medina Province, Saudi Arabia
Guide and Ranger team of the Sharaan Nature Reserve, AlUla, Medina Province, Saudi Arabia
Aerial view of the Old mudbrick village under reconstruction, in the Old town of AlUla, Medina Province, Saudi Arabia
Red-eyed tree frog (red-eyed leaf frog) (Agalychnis callidryas) sitting on leaf, Costa Rica
Long-tailed Silky-flycatcher (Ptiliogonys caudatus), Costa Rica
Two Orange-chinned Parakeets (Brotogeris jugularis) quarreling, Costa Rica
Two Brown-hooded Parrots (Pyrilia haematotis) sitting on a branch, Costa Rica
Underwater marine life on coral reefs, Thailand
Underwater marine life on coral reefs, Thailand
Aerial view over Gardens by the Bay and supertree grove, Singapore
River Chobe wildlife, elephants, Botswana
Painter working on Painted Rocks site, work of the Belgian artist Jean Verame, around Tafraout, Anti-Atlas, Morocco
Black-browed albatross (Thalassarche melanophrys) breeding colony on Steeple Jason Island in the Falkland Islands
Peaceful Deer in the Forest, Nara, Honshu, Japan
Underwater view of the reef along the circumference of the Great Blue Hole on Lighthouse Reef, UNESCO, Belize
Underwater view of the reef along the circumference of the Great Blue Hole on Lighthouse Reef, UNESCO, Belize
Underwater view of the reef along the circumference of the Great Blue Hole on Lighthouse Reef, UNESCO, Belize
Underwater view of the reef along the circumference of the Great Blue Hole on Lighthouse Reef, UNESCO, Belize
Nurse sharks (Ginglymostoma cirratum), being fed in Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize
Nurse sharks (Ginglymostoma cirratum), being fed in shark and ray alley, Caye Caulker, Mesoamerican Barrier Reef, Belize
Southern stingray (Hypanus americanus) with snorkeler in shark and ray alley, Caye Caulker, Mesoamerican Barrier Reef, Belize
Southern stingray (Hypanus americanus), with snorkeler in shark and ray alley, Caye Caulker, Mesoamerican Barrier Reef, Belize
Nurse shark (Ginglymostoma cirratum), on the sand in Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize
Tarpon (Megalops atlaticus), underwater at feeding station inside the Mesoamerican Barrier Reef, Belize
West Indian manatee (Trichechus manatus), with snorkeler near Caye Caulker, inside the Mesoamerican Barrier Reef, Belize
Tourist hand-feeding magnificent frigatebird (Fregata magnificens), at feeding station, Mesoamerican Barrier Reef, Belize
Green sea turtle (Chelonia mydas), feeding on the sand near Caye Caulker, inside the Mesoamerican Barrier Reef, Belize
A myriad of fish and coral underwater at Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize
A myriad of fish and coral underwater at Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize
Brassy chubs (Kyphosus vaigiensis), being fed by boat operators inside the Mesoamerican Barrier Reef, Belize
Rock formations in the oasis Tigui, Tibesti Mountains, Chad
Aerial of the Tousside peak above Trou du Natron, Tibesti Mountains, Chad
Aerial of the Trou du Natron volcanic crater and its natron lakes, Tibesti Mountains, Chad
Aerial of the rocky mountains around Zouar, Tibesti Mountains, Chad
Aerial of the Chari River, N'Djamena, capital of Chad
Sangha River in the Trinational Lobeke National Park, Republic of Congo
Glacier Bay National Park and Preserve in southeast Alaska, United States of America
Glacial iceberg detail from ice calved off the LeConte Glacier near Petersberg, Southeast Alaska, United States of America
African forest elephant (Loxodonta cyclotis), Dzanga Bai, Dzanga Sangha National Park, UNESCO, Central African Republic
African forest elephant (Loxodonta cyclotis), Dzanga Bai, Dzanga Sangha National Park, UNESCO, Central African Republic
African forest elephant (Loxodonta cyclotis), Dzanga Bai, Dzanga Sangha National Park, UNESCO, Central African Republic
African forest elephant (Loxodonta cyclotis), Dzanga Bai, Dzanga Sangha National Park, UNESCO, Central African Republic
North Window, Elephant Butte on left, Cly Butte on right, Monument Valley Navajo Tribal Park, Utah, United States of America
Pygmy Woman, Dzanga Sangha National Park, UNESCO, Central African Republic
Pygmy woman extracting water from a tree branch, Dzanga Sangha National Park, UNESCO, Central African Republic
Pygmy man extracting water from a tree branch, Dzanga Sangha National Park, UNESCO, Central African Republic
Adult humpback whales (Megaptera novaeangliae) co-operatively bubble-net feeding in Southeast Alaska, United States of America
Adult humpback whales (Megaptera novaeangliae) co-operatively bubble-net feeding in Southeast Alaska, United States of America
Adult brown bear (Ursus arctos) feeding on salmon at Iyoukeen Cove on Chichagof Island, Alaska, United States of America
A large stand of Arctic cotton (Eriophorum callitrix) in Denali National Park, Alaska, United States of America
Adult brown bear (Ursus arctos) foraging for salmon at the Brooks River, Katmai National Park, Alaska, United States of America
View from Park Service platform where adult brown bears (Ursus arctos) forage for salmon, Katmai National Park, Alaska, United States of America
Adult brown bear sow (Ursus arctos) watching human activities at the Brooks River, Katmai National Park, Alaska, United States of America
Adult brown bears (Ursus arctos) foraging for salmon at the Brooks River, Katmai National Park, Alaska, United States of America
Adult fin whale (Balaenoptera physalus) carcass in Holmabukta off the northwest of the Svalbard Archipelago, Norway
A rare sighting of an adult blue whale (Balaenoptera musculus) sub-surface feeding in the Svalbard Archipelago, Norway
A rare sighting of an adult blue whale (Balaenoptera musculus) sub-surface feeding in the Svalbard Archipelago, Norway
Lodore Falls waterfalls, Borrowdale Valley, Lake District National Park, UNESCO, Cumbria, England, United Kingdom
Adult black-legged kittiwakes (Rissa tridactyla) on ice in the Svalbard Archipelago, Barents Sea, Norway
Adult Svalbard reindeer (Rangifer tarandus platyrhynchus) grazing within the town limits of Longyearbyen, Svalbard, Norway
A curious young polar bear (Ursus maritimus), approaches the ship on Spitsbergen in the Svalbard Archipelago, Norway
Adult polar bear (Ursus maritimus) with a freshly killed ringed seal, PUnited States of America hispida, in the Svalbard Archipelago, Norway
A curious young polar bear (Ursus maritimus), approaches ship on Spitsbergen in the Svalbard Archipelago, Norway
A curious young polar bear (Ursus maritimus), approaches the ship on Spitsbergen in the Svalbard Archipelago, Norway
A mother polar bear (Ursus maritimus), and cub of the year feeding on a fin whale carcass in Holmabukta in the Svalbard Archipelago, Norway
Mother polar bear (Ursus maritimus) and cub-of-the-year disputing then allowing a male bear to feed on a fin whale, Svalbard Archipelago, Norway
Adult polar bear (Ursus maritimus) in Holmabukta on the northwest coast of Spitsberge, Svalbard Archipelago, Norway
Tamarix aphylla wood at the edge of the palm grove of Zagora, Draa River valley, Province of Zagora, Region Draa-Tafilalet, Morocco
Mother polar bear (Ursus maritimus) with cub of the year feeding near a fin whale carcass in Svalbard, Norway
A mother polar bear (Ursus maritimus), with cub of the year feeding on a fin whale carcass in Holmabukta, Svalbard, Norway
Continental drift between North American and Eurasian tectonic plates, Thingvellir National Park, UNESCO, in winter, Western Region, Iceland
Yellow-billed stork (Mycteria ibis),mating pair at nest site, Chobe River, Botswana
African Dusky Flycatcher (Muscicapa adusta), Dinokeng Game Reserve, South Africa
Sandscale Haws National Nature Reserve, starlings at sunset towards the Irish Sea and the distant Walney Offshore Wind Farm, Cumbria, England, United Kingdom, Europe
Swedish environmental activists protesting outside the Swedish Parliament about the need for immediate action to combat climate change, Stockholm, Sweden, Scandinavia, Europe
Solar power on Saba Island, Netherlands Antilles, West Indies, Caribbean, Central America
Wind turbines at sunset with stormy sky, Whitelee Windfarm, East Renfrewshire, Scotland, United Kingdom, Europe
Sunset view over the Irish Sea towards the distant Walney Offshore wind farm, Walney Island, Cumbrian Coast, Cumbria, England, United Kingdom, Europe
King penguin (Aptenodytes patagonicus) chicks (okum boys) at nesting colony at Salisbury Plain, South Georgia, Polar Regions
The powerful falls at Foz de Iguacu, UNESCO World Heritage Site, Brazil, South America
View of Meteora cliffs, UNESCO World Heritage Site, Thessaly, Greece, Europe
Macro view of insect on a daisy flower from the trail of Diana's Peak National Park on Saint Helena, South Atlantic Ocean
Southern giant petrel (Macronectes giganteus) in flight against the sun near South Georgia, Southern Ocean, Polar Regions
Adult striated caracara (Phalcoboenus australis), close-up, on Carcass Island in the Falkland Islands, South Atlantic Ocean, South America
Elephant (Loxodonta africana) bull, Shompole, Kenya, East Africa, Africa
Wild Galapagos giant tortoises (Geochelone elephantopus) feeding on the upslope grasslands of Santa Cruz Island, Galapagos, UNESCO World Heritage Site, Ecuador, South America
Wandering albatross (Diomedea exulans) chick at breeding colony on Prion Island, Bay of Isles, South Georgia
Southern elephant seal (Mirounga leonina) mating behavior on South Georgia Island, Southern Ocean
Adult gentoo penguin (Pygoscelis papua) feeding minutes-old newly hatched chick at Gold Harbor on South Georgia
Armeria maritima flowerbed, Inishbofin island, Connemara, County Galway, Connacht, Republic of Ireland
White Oak and Buffalo Bayou Rivers confluence, Downtown Houston, Texas, United States of America
Motor boat trip on a cypress-lined backwater channel of Neches River, Beaumont, Texas, United States of America
Tourists on boat trip through the mangrove fringed Nosara River estuary, with locals handline fishing, Boca Nosara, Nosara, Guanacaste, Costa Rica
Boundary gate and cattle-proof fence between Coconino National Forest and Wet Beaver Creek Wilderness, Arizona, United States of America
Extraordinary sandstone rock structure called Dancing Rocks in the Sharaan Nature Reserve, AlUla, Medina Province, Saudi Arabia
Palm plantation colonized by invasive Sodom apple plant (Calotropis procera), Sharaan Nature Reserve, AlUla, Medina Province, Saudi Arabia
Aerial of tombs carved in sandstone rock of Jabal Banat (Qasr al-Bint), Hegra (Madain Salih), UNESCO, AlUla area, Medina Province, Saudi Arabia
Boswellia sacra (frankincense) (olibanum-tree), Sultanate of Oman
Adult female kelp goose (Chloephaga hybrida) in the Falkland Islands
Striated caracara (Phalcoboenus australis) on New Island in the Falkland Islands