Close-up of the back view of two dancers in traditional Thai classical dance costume, Bangkok, Thailand, Southeast Asia, Asia

A man smiles for the camera as he is bounced back up during a Bungee jump at The Last Resort, Nepal, Asia

A woman smiles for the camera as she is bounced back up during a Bungee jump at The Last Resort, Nepal, Asia

A climber walking up a snowfield, Pico de Aneto, the highest peak in the Pyrenees, Spain, Europe

Shop lit up selling produce at night in the back streets of Sorrento, Campania, Italy, Europe

Infant Chacma baboon (Papio ursinus) climbing up on its mother's back, Kruger National Park, South Africa, Africa

Looking back up the first leg of the North Kaibab Trail at Grand Canyon North Rim Arizona.

A male Sable Antelope (Hippotragus niger), its scimitar shaped horns up to 150cm long, sweeping upwards and backwards protect him from predators jumping on his back, Zambia, Africa

A climber walking up a snowfield, Pico de Aneto, at 3404m the highest peak in the Pyrenees, Spain, Europe

Jain pilgrims in white robes, returning back down Shatrunjaya Hill after walking up to Jain shrines at dawn, Palitana, Gujarat, India, Asia

Stand up paddle boarder man admiring midnight sun walking back to the beach, Ersfjord, Senja, Troms county, Norway, Scandinavia, Europe

Close-up of a man's back with limes on hooks in his skin, and a small statue of Ganesh above his head, festival of Thaipusam in Singapore, Southeast Asia, Asia

Traditionally the Colonel's horse rides back up the steps and into the Academy after the Passing Out Parade at Sandhurst Royal Military Academy, Surrey.

Buddhist monks travelling in the back of a pick up on a modern highway, Myanmar (Burma), Asia

Indonesia a kindergarten in banda aceh which lost many of children to tsunami, been rebuilt. schools director halimah anwar bustam (seen here in foreground) describes horrors suffered: area kids came from completely flattened by waves. On that fateful sunday children were in their homes, or many were already on beach having. So many died that morning. It devastating. Only we getting things back together, very grateful to helping with reconstruction of damaged building. staff give up a portion of their (already) salaries to sponsor poor children from outlying villages to come to school. structure includes offices staff, a library, prayer room wheelchair accessible classroom.__ Photograph taken in banda aceh, -december 2006, 2 years after tsunami of december 26th 2004 devasted much of coastal region. Taken to illustrate reconstruction work projects of (catholic relief services) of sponsored photo tour

Mute swan (cygnus olor) resting head on its back, close-up view, abbotsbury, uk

Not for sale in france for postcards between september 2010 to august 2013. Sea otter (enhydra lutris), monterey, usa, resting on back in water, close, up.

Close-up of a baby ring-tailed lemur (lemur catta) on its mother's back in the Anja private community reserve near Ambalavao in southern Madagascar, Madagascar, Africa

Sea otter (enhydra lutris), monterey, usa, resting on back in water, close, up

Gale force winds in 2008 blew water from a waterfall in Stake Pass back up the hill coating the surrounding area in thick ice, Lake District, Cumbria, England, United Kingdom, Europe

Bar-Tailed Godwit (Limosa lapponica) walking while foraging for food on beach, back foot up. Gott Bay, Argyll, Scotland, UK

Bar-Tailed Godwit (Limosa lapponica) walking while foraging for food on beach, back foot up. Gott Bay, Argyll, Scotland, UK

Gale force winds in 2008 blew water from a waterfall in Stake Pass back up the hill coating the surrounding area in thick ice, Lake District, Cumbria, England, United Kingdom, Europe

Gale force winds in 2008 blew water from a waterfall in Stake Pass back up the hill coating the surrounding area in thick ice, Lake District, Cumbria, England, United Kingdom, Europe

Gale force winds in 2008 blew water from a waterfall in Stake Pass back up the hill coating the surrounding area in thick ice, Lake District, Cumbria, England, United Kingdom, Europe

Bar-Tailed Godwit (Limosa lapponica) walking while foraging for food on beach, back foot up. Gott Bay, Argyll,. Scotland, UK

Close up of woman having acupuncture treatment

Close up of hot stones on back of woman

Close up of woman with acupuncture needles in back

Close up of mother carrying baby with traditional wrap

Close up of acupuncture needles in back of woman

First aid techniques. In case of loss of consciousness, open the victim's airways by tipping their head back and lifting their chin up.

porter, porters carry furniture, building material on his back up steep mountain steps, Taoist mountain, Hua Shan, Shaanxi province, Taoist mountain, China, Asia

porter carrys building material on his back up steep mountain steps, Taoist mountain, Hua Shan, Shaanxi province, Taoist mountain, China, Asia

porter carrys building material on his back up steep mountain steps, Taoist mountain, Hua Shan, Shaanxi province, Taoist mountain, China, Asia

Porter carrying building material up steep mountain steps, Hua Shan, Shaanxi province, China, Asia

porters carry furniture, building material on their backs up steep mountain steps to the summit, Taoist mountain, Hua Shan, Shaanxi province, Taoist mountain, China, Asia

Ascent of Piz Boe Mountain on the Piazzetta Climbing Route, Dolomites, Alto Adige, Italy, Europe

Cross-country skiers during the ascent to Seeberspitz Mountain in the Pflersch Valley above Innerpflersch, Alto Adige, Italy, Europe

Woman, 35, having a massage

Climbers ascending Mt. Marmolada, Dolomites, Westgrat fixed rope route, Mt. Marmolada in the back, Trentino, Italy, Europe

Snow shoe hikers during ascent to Mt Hoertlahner above Durnholz, Sarntal valley, Mt Hoertlahner at back, South Tyrol, Italy, Europe

Green sea turtle or Green turtle (Chelonia mydas) diving, Dimakya Island, Palawan, Philippines, Pacific Ocean

Ascent of Piz Boe Mountain on the Piazzetta Climbing Route, Dolomites, Alto Adige, Italy, Europe

Heart-shaped Cactus (Opuntia)

Woman getting a massage

Gyrfalcon or Gyr Falcon (Falco rusticolus) looking back over its shoulder

Ascent of Piz Boe Mountain on the Piazzetta Climbing Route, Dolomites, Alto Adige, Italy, Europe

Woman getting a massage

Diver, ice-diving, in Lake Baikal, Olkhon island, Siberia, Russia

Mountaineers climbing Vertainspitze mountain, Ortler Alps, province of Bolzano-Bozen, Italy, Europe

Beach chairs and sunshades on the beach at sunrise, Lycian coast, Lycia, the Aegean, Mediterranean Sea, Turkey, Asia Minor

Woman hiker with outstretched arms looking at a fog shrouded valley, Black Forest, Baden-Wuerttemberg, Germany, Europe

Sunrise over Lake Pamamaroo, Kinchega National Park, New South Wales, Australia, Oceania

People cheering in front of the big stage at Southside, open-air festival, Neuhausen ob Eck, Bavaria, Germany, Europa

Old sailing boats in the old harbour of Wismar, at back the Nikolaikirche Church and the Wassertor Gate lit up at dusk, Wismar, Baltic Sea, Mecklenburg-Western Pomerania, Germany, Europe

Orange tulips

Early morning mist in the Huangshan Mountains, Huangshan, Anhui, China, Asia

Blowing up the Agfa building, Munich, Upper Bavaria, Bavaria, Germany

Techno festival "Mayday 2008", Dortmund, North Rhine-Westphalia, Germany, Europe

Moorish Alhambra Palace under floodlights at twilight, illuminated at dusk, Sierra Nevada at back, viewed from the Mirador San Nicolas in the El Albayzin or Albaicin quarter of Granada, Andalusia, Spain

Chinese people practicing Tai Chi at the Bund, in front of the Pudong Skyline, Shanghai, China, Asia

Sunrise at the Wadden Sea at high water, Texel, Holland, Netherlands, Europe

Sunrise at Matrimandir, mystical place, temple and largest sanctuary in Auroville, Sri Aurobindo Ashram, Pachayankuppam, Tamil Nadu, India, Asia

Winter morning on a frozen river with a bench at sunrise, Feistritz near Herberstein, Styria, Austria, Europe

Lighthouse at Cape Reinga, Aupouri-Peninsula, Northland, North Island, New Zealand

Sun beams over Akaroa Harbour and backlit boats in early morning light, Banks Peninsula, Canterbury region, South Island, New Zealand

Container ships, loading containers on to the ship Xin Ou Zhou from Shanghai, China, Eurokai or Eurogate container terminal, and other ships at the Burchardkai in the port of Hamburg on the Elbe, Hamburg, Germany

Panoramic view, sunrise at the mesas of West Mitten Butte, East Mitten Butte, Merrick Butte, Scenic Drive, Monument Valley, Navajo Tribal Park, Navajo Nation Reservation, Arizona, Utah, United States of America, USA

Federal Highway 163, sunrise, dawn, mesas, Bringham's Tomb, King on His Throne, Stagecoach, Bear and Rabbit, Castle Butte, Monument Valley, Navajo Tribal Park, Navajo Nation Reservation, Arizona, Utah, USA

Panoramic view, sunrise, dawn, mesas of Brigham's Tomb, King on His Throne, Stagecoach, Bear and Rabbit, Castle Butte, Big Indian, Monument Valley, Navajo Tribal Park, Navajo Nation Reservation, Arizona, Utah, United States of America, USA

Sunrise, dawn, mesas, Brigham's Tomb, King on His Throne, Stagecoach, Bear and Rabbit, Castle Butte, Big Indian, Monument Valley, Navajo Tribal Park, Navajo Nation Reservation, Arizona, Utah, United States of America, USA

Panoramic view, sunrise, dawn, mesas of Brigham's Tomb, King on His Throne, Stagecoach, Bear and Rabbit, Castle Butte and Big Indian, Monument Valley, Navajo Tribal Park, Navajo Nation Reservation, Arizona, Utah, United States of America, USA

Emissions at dawn from Chrysler's Jefferson North Assembly Plant, Detroit, Michigan, USA

Pujaris standing on the backs of elephants, holding fans made of peacock feathers up in the air, Hindu Pooram festival, Thrissur, Kerala, southern India, Asia

Totem Pole and Yei Bi Chei rock formations, silhouetted before sunrise, dawn, moon, Monument Valley Navajo Tribal Park, Navajo Nation Reservation, Arizona, Utah, United States of America, composite image

The silhouette of the Lofoten Wall, the mountains of the Lofoten islands, as seen from near Reine, island of Moskenesoy, Moskenesoy, Lofoten archipelago, Nordland, Norway, Europe

Crab spider (Thomisus onustus), which uses its forelegs to capture any insect seeking to pollinate the flower, lurking in a blossom, Frejus, Fréjus, Var, France, Europe

Fishing nets hanging up to dry above the sea at sunrise, Veneto, Italy

Containerterminal Bonn, stacked 40 feet ISO freight container in crane runway, gantry crane at back, North Rhine-Westphalia, Germany, Europe

The harbor pier at Constance harbor port entrance and the tide gauge with the Imperia Statue on it, the town's landmark, district of Konstanz, Constance, Baden-Wuerttemberg, Germany, Europe

Oil tanks, tank building, back light, Kiel, Schleswig-Holstein, Germany, Europe

Hikers climbing Mt Marmolata, fixed rope route on west ridge, Dolomites mountain range, Italy, Europe

Lanterns at the waterside of the Arno, sunset, Florence, Tuscany, Italy

Vietnamese fishermen carrying their basket boat ashore, Mui Ne, Vietnam, Southeast Asia, Asia

Peeled bark, in the back the peeled spruce logs (Piceoideae) Neunhof, Middle Franconia, Bavaria, Germany, Europe

Woman, 35, having a hot stone massage

Meadow landscape, cows grazing in the morning mist at sunrise, Oberalsterniederung Nature Reserve, Schleswig-Holstein, Germany, Europe

Sunrise, Pewaukee Lake, Wisconsin, USA

Totem Pole and Yei Bi Chei rock formations, silhouetted before sunrise, dawn, moon, Monument Valley Navajo Tribal Park, Navajo Nation Reservation, Arizona, Utah, United States of America, composite image

Turn back time - concept of turning clock backwards

Shirtless person with neck muscle pain, Neck pain and stress concept, Close-up of a man with neck pain, a man with neck pain on an isolated background

Puente Romano bridge, Mezquita at back, Cordoba, Andalusia, Spain, Europe

Woman, 35, in a bathtub with chocolate, Thalasso therapy in a spa resort

Sunrise over Reintaler See (Reintal Lake), North Tirol, Austria, Europe

Sunrise at Knappensee lake in Hoyerswerda, Bautzen district, Saxony, Germany, Europe

Asian elephant (Elephas maximus), hindquarters and tail, found in Asia, captive, Germany, Europe

United Buddy Bears, bear parade, Schlossplatz, Stuttgart, Baden-Wuerttemberg, Germany, Europe

Sunrise over mountain range with snow-covered mountains, Hindelang, Allgaeu, Bavaria, Germany, Europe

Highway 163, sunrise, dawn, mesas, King on His Throne, Stagecoach, Bear and Rabbit, Castle Butte, Monument Valley, Navajo Tribal Park, Navajo Nation Reservation, Arizona, Utah, United States of America, USA