Chris Gomersall / 2020VISION / Adult Atlantic puffin (Fratercula arctica) in flight, Lunga, Treshnish Isles, Inner Hebrides, Scotland, UK, July 2011

Konstantin Mikhailov / Tents in Wonder Lake Camp, in upland forest tundra, Denali National Park. Alaska, USA, September 2009

Michele Westmorland / Friday night market in the fishing village of Gouyave, Grenada, West-Indies, Caribbean, May 2009.

Jeff Wilson / Frozen Planet team tent at Lake Hoare Camp, Dry Valleys, Antarctica, December 2009. Taken on location for the BBC series, Frozen Planet.

Bryan and Cherry Alexander / Khanty woman standing at the entrance to her family's tent in the Polar Ural Mountains, Yamal, Western Siberia, Russia, Summer 2007. Editorial use only.

Bryan and Cherry Alexander / Rainbow over a Khanty reindeer herders' camp by the Bolshaia Paipudyna River in the Polar Urals Mountains. Yamal, Western Siberia, Russia, Summer 2007.

Bryan and Cherry Alexander / Rainbow over Khanty reindeer herders' camp in the Polar Ural Mountains. Yamal, Western Siberia, Russia, Summer 2007.

Juergen Freund / Researchers Guido and Katja Westhoff work in a mobile lab in the bush. To handle the deadly Common death adder (Acanthophis antarcticus) Guido puts the head and upper portion of the snake in a plastic...

Pete Oxford / Berber tent in the Dunes of Erg Chebbi, near the village of Merzouga, Morocco, June 2009

Bryan and Cherry Alexander / Northern lights (Aurora borealis) over a Nenets herders' camp. Yamal Peninsula, Western Siberia, Russia, 2001.

Bryan and Cherry Alexander / Sun rises behind Reindeer / Caribou skin tents at a Nenets herders' winter camp. Yamal, Siberia, Russia, 1993.- 40 BELOW BOOK

Bryan and Cherry Alexander / Tundra Nenets boy posing with Arctic hare (Lepus arcticus) he has shot. Gydan Peninsula, Western Siberia, Russia, 2000.

Bryan and Cherry Alexander / Nenets woman and boy at entrance to snow covered tent. Yamal, Siberia, Russia, 1993

Bryan and Cherry Alexander / Northern lights (Aurora borealis) over a Nenets herders' camp. Yamal Peninsula, Western Siberia, Russia, 2001

Bryan and Cherry Alexander / Northern lights (Aurora borealis) over a Nenets herders' camp. Yamal Peninsula, Western Siberia, Russia, 2001.

Bryan and Cherry Alexander / Rainbow over herders' tent in Todzhu. Republic of Tuva, Siberia, Russia, 1998.

Floris van Breugel / Twilight descends on photographer's mountain camp with light inside tent, in Oregons highest mountain forest on Drake Peak at 8,500 feet. Oregon, USA, January 2010.

Bryan and Cherry Alexander / Light from kerosene lamp illuminating Cree winter tent in boreal forest. Quebec, Canada, 1988.

Jerry Monkman / Children roasting hot dogs on a camp fire in Greenfield State Park in Greenfield, New Hampshire, USA, August 2008. Model released.

Colin Monteath / Campers read in tents lit by flashlight, Cascade Saddle, Mount Aspiring National Park, New Zealand

Wild Wonders of Europe / Jensen / Tent at night next to Russell Glacier, Greenland, August 2009

Jack Dykinga / Tent rocks in the Peralta Canyon, New Mexico, USA. Rocks are conical formations of eroded volcanic tuff and pumice supporting 'cap rocks'.

Staffan Widstrand / Silhouette of ecotourist Reindeer trek camp site with Saami, Lapland, Sweden.

Staffan Widstrand / Inuit children at hunter's camp site, Baffin Island, Nunavut, Canada. Nataniel & Goulvan. Model released.

Staffan Widstrand / Chukchi girl playing beside her family's Yaranga tent, Chukotka, Russia

Matthias Breiter / Northern lights or aurora borealis over illuminated tent, boreal forest, North America

Matthias Breiter / Northern lights or aurora borealis over illuminated tent, boreal forest, North America

Michio Hoshino / Tent with skis and snowshoes on Ruth Glacier, Denali National Park and Preserve, Alaska

Michio Hoshino / Illuminated tent beneath snow-covered mountains and Aurora borealis, Alaska

Gertrud & Helmut Denzau / Snow leopard furs (confiscated) used as decoration inside yurt (tent), Gobi Desert, Mongolia.

Kirkendall-Spring / Campsite tent erected on the Death Canyon Shelf along the Teton Crest Trail in Grand Teton National Park. Wyoming, USA, July 2011 Model released

Kirkendall-Spring / Night time view of a campsite tent on the Death Canyon Shelf along the Teton Crest Trail in Grand Teton National Park. Wyoming, USA, July 2011

Kirkendall-Spring / Night time view of a campsite tent on the Death Canyon Shelf along the Teton Crest Trail in Grand Teton National Park. Wyoming, USA, July 2011

Pat Tuson / Sustainable Living tent, Camden now London Green Fair, Regents Park, London UK June 2012

Staffan Widstrand / Camera lenses from photogrpahy hide tent, set up for photogrpahing bears, Karmansbo, Vastmanland, Sweden August 2011

Staffan Widstrand / Photography tent / hide, set up for bear watching, Karmansbo, Vastmanland, Sweden August 2011

Floris van Breugel / Woman at campsite at high altitude in the Goat Rocks Wilderness with a view of Mount Adams in the distance, Washington, USA. July 2012. Model released

Oriol Alamany / Mountaineer setting up camp below La Picada pass, with Aneto (3404 m) and Maladeta (3308 m) peaks with its glaciers in the massif of Maladeta in the background, Posets-Maladeta Natural Park, Pyrenees,...

Oriol Alamany / Hiker attending to tent while camping on Anayet alpine lakes. Midi d'Ossau peak in the background in Alto Gallego, Pyrenees, Aragon, Spain. Model released.

Enrique Lopez-Tapia / Lights inside tents at night at Tagnag Camp (4.800 m), Sagarmatha National Park (World Heritage UNESCO). Khumbu / Everest Region, Nepal, Himalaya, October 2011.

Christian Ziegler / Peters' Tent-making Bat (Uroderma bilobatum) group roosting, native to South and Central America

Christian Ziegler / Peters' Tent-making Bat (Uroderma bilobatum) group roosting, native to South and Central America

Carol Walker / Cowboys sitting round camp fire at dusk, one playing the guitar, Wyoming, USA, February 2012, model released

Carol Walker / Cowboys sitting round camp fire at dusk, Wyoming, USA, February 2012, model released

Konrad Wothe / Honduran white tent bats (Ectophylla alba) sleeping under Heliconia leaf, Braulio Carillo National Park, Costa Rica

Konrad Wothe / Honduran white tent bats (Ectophylla alba) sleeping under Heliconia leaf, Braulio Carillo National Park, Costa Rica

Merryn Thomas / Tent beside beach at Seal Shore Campsite, Kildonan, Arran, Scotland, August 2011.

Pete Oxford / Mountain Reindeer (Rangifer tarandus tarandus) with Dukha man in taiga, Mongolia

Petra Wegner / Domestic Ferret (Mustela putorius furo) emerging from a little red tent.

Christian Ziegler / Peters' Tent-making Bat (Uroderma bilobatum) group roosting under large leaf after making incisions causing leaf to bend and form tent, Barro Colorado Island, Panama

Tony Phelps / Tent Tortoise (Phylobates / Psammobates tentorius). Little Karoo, Western Cape, South Africa, July.

Tim Laman / Foja Mountains RAP expedition ornithologist Chris Milensky and mammalogist Kris Helgen work in the prep tent preparing specimens late into the night. 1200 m Lower Camp. Foja Mountains, Papua, Indones...

Tim Laman / Foja Mountains RAP Expedition High Camp at 2000 m elevation in the upper montane forest. Field assistants prepare breakfast. Foja Mountains, Papua, Indonesia, 2008. (taken during Conservation Interna...

Tim Laman / Foja Mountains RAP Expedition High Camp at 2000 m elevation in the upper montane forest. Foja Mountains, Papua, Indonesia, 2008. (taken during Conservation International Rapid Assessment Program exped...

Tim Laman / View of the main camp site known as 'Bog Camp' in the Foja Mountains - base of operations for the CI RAP expedition in 2008. Foja Mountains, Papua, Indonesia, 2008. (taken during Conservation Internat...

Tim Laman / Foja Mountains RAP Expedition High Camp at 2000 m elevation in the upper montane forest. Foja Mountains, Papua, Indonesia, 2008. (taken during Conservation International Rapid Assessment Program exped...

Kirkendall-Spring / Hiker looking at the view from campsite at Lake of The Angels, Olympic National Park, Washington, USA, September 2010. Model released

Kirkendall-Spring / Man with tent at a campsite in the wilderness camping zone of the Tatoosh Range, Mount Rainier National Park, Washington, USA, model released

Jeff Wilson / 'Ice Camp' on a National Science Foundation field training course, McMurdo station, Ross Island, Antarctica, October 2009. Taken on location for BBC series, Frozen Planet, Winter

Jeff Wilson / Frozen planet team camp on tundra during filming of Arctic Wolves, Ellesmere Island, Nunavut, Canada, July 2008. Taken on location for the BBC series, Frozen Planet.

Jeff Wilson / Frozen Planet team tents at Lake Hoare Camp, Dry Valleys, Antarctica, December 2009. Taken on location for the BBC series, Frozen Planet.

Jeff Wilson / Electric wires surround the camp for filming Arctic wolves on Ellesmere Island, Nunavut, Canada, June 2008. Taken on location for the BBC series, Frozen Planet.

Jeff Wilson / Sun Dog, or Parhelion, visible over tent of film crew, caused by refraction of the sun's rays, more commonly seen in Antarctica, above glacier, Dry Valleys, Antarctica, December 2009. Taken on locatio...

Klaus Echle / Photographer Klaus Echle looks out of camouflage tent while Red fox (Vulpes vulpes) vixen 'Sophie' examines the camera with another fox in background, Black Forest, Germany, September 2010

Bryan and Cherry Alexander / Chukchi reindeer herder erecting frame of Yaranga (traditional tent). Chukotskiy Peninsula, Chukotka, Siberia, Russia, 2010. 40 BELOW bookplate.

Bryan and Cherry Alexander / Chukchi reindeer herders putting cover on Yaranga (traditional tent). Chukotskiy Peninsula, Chukotka, Siberia, Russia, 2010. 40 BELOW bookplate.

Bryan and Cherry Alexander / Chukchi reindeer herders putting cover on Yaranga (traditional tent). Chukotskiy Peninsula, Chukotka, Siberia, Russia, 2010. 40 BELOW bookplate.

Bryan and Cherry Alexander / Chukchi reindeer herders preparing to put cover on Yaranga (traditional tent). Chukotskiy Peninsula, Chukotka, Siberia, Russia, 2010. 40 BELOW bookplate.

Bryan and Cherry Alexander / Inuit hunter lighting stoves to warm his tent, Northwest Greenland, 1986. 40 BELOW bookplate.

Bryan and Cherry Alexander / Nenets sacred sled, used to carry idols (sacred figures). Gydan Peninsula, Western Siberia, Russia., 2000. 40 BELOW bookplate.

Bryan and Cherry Alexander / Nenets woman comforting baby inside Reindeer skin tent. Yamal, Siberia, 1996. 40 BELOW bookplate.

Bryan and Cherry Alexander / Nenets woman cooking fish inside her tent at summer fishing camp. Yamal, Western Siberia, Russia, 2000. 40 BELOW bookplate.

Bryan and Cherry Alexander / Chukchi woman removing frost from inside of Yaranga (traditional tent). Chukotskiy Peninsula, Chukotka, Siberia, Russia, 2010. 40 BELOW bookplate.

Bryan and Cherry Alexander / Young Chukchi reindeer herder standing in doorway of Yaranga (traditional tent). Chukotskiy Peninsula, Chukotka, Siberia, Russia, 2010. 40 BELOW bookplate.

Bryan and Cherry Alexander / Two people dismantling their tent at Weincke Island, Antarctica.

Bryan and Cherry Alexander / Nenets boy petting a draught Reindeer (Rangifer tarandus) at his family's winter camp in the Yamal. Western Siberia, Russia, February 2009. Editorial use only.

Bryan and Cherry Alexander / Reindeer (Rangifer tarandus) skins hanging to dry on a line at a Nenets reindeer herders' winter camp in the Yamal. Western Siberia, Russia, February 2009.

Bryan and Cherry Alexander / Forest Nenets woman beating snow off her tent at a winter reindeer herders' camp in the Purovsky region of the Yamal. Western Siberia, Russia, February 2009.

Bryan and Cherry Alexander / Forest Nenets herder feeding frozen fish to Reindeer (Rangifer tarandus) at his winter camp in the Purovsky region of the Yamal. Western Siberia, Russia, February 2009.

Bryan and Cherry Alexander / Elderly Forest Nenets woman collecting firewood at her winter camp in the Purovsky region of the Yamal. Western Siberia, Russia, February 2009. Editorial use only.

Bryan and Cherry Alexander / Forest Nenets girl peering out of her family's tent at a winter camp in the Purovsky region of the Yamal. Western Siberia, Russia, February 2009.

Bryan and Cherry Alexander / Forest Nenets summer camp at the edge of a lake in a forest. Purovsky Region, Yamal, Western Siberia, Russia, August 2008.

Bryan and Cherry Alexander / Forest Nenets girl peering through the mosquito net at the entrance to her family's tent. Purovsky Region, Yamal, Western Siberia, Russia, August 2008.

Bryan and Cherry Alexander / Forest Nenets summer camp at the edge of a lake in a forest. Purovsky Region, Yamal, Western Siberia, February 2007.

Bryan and Cherry Alexander / Young Khanty girl watching TV in her parent's tent at their winter reindeer pastures. Yamal, Western Siberia, Russia. Editorial use only.

Bryan and Cherry Alexander / Nenets reindeer herder's camp on the tundra during a winter storm. Yamal Peninsula, Western Siberia, Russia, August 2008.

Bryan and Cherry Alexander / Nenets woman beating snow off a reindeer skin tent at a herders' camp on the tundra of the Yamal Peninsula. Western Siberia, Russia, August 2008.

Bryan and Cherry Alexander / Nenets reindeer herders at their camp on the tundra during a winter storm. Yamal Peninsula, Western Siberia, Russia, August 2008.

Bryan and Cherry Alexander / Nenets reindeer herder's camp on the tundra during a winter storm. Yamal Peninsula, Western Siberia, Russia, August 2008.

Bryan and Cherry Alexander / Nenets reindeer herder's camp on the tundra during a winter storm. Yamal Peninsula, Western Siberia, Russia, August 2008.

Bryan and Cherry Alexander / Reindeer (Rangifer tarandus) around tents at summer pastures in the Polar Ural Moutains. Yamal, Western Siberia, Russia, Summer 2007.

Bryan and Cherry Alexander / Reindeer (Rangifer tarandus) grazing at summer pastures in the Polar Ural Moutains. Yamal, Western Siberia, Russia, Summer 2007.

Bryan and Cherry Alexander / Khanty reindeer herders' camp at summer pastures in the Polar Ural Moutains. Yamal, Western Siberia, Russia, Summer 2007.

Bryan and Cherry Alexander / Dark clouds above a Khanty reindeer herder's tent in the Polar Ural Mountains. Yamal, Western Siberia, Russia, Summer 2007.

Bryan and Cherry Alexander / Dark clouds gather behind a reindeer herder's tent as a Khanty woman hangs up her washing to dry at a camp in the Polar Ural Mountains. Yamal, Western Siberia, Russia, Summer 2007

Bryan and Cherry Alexander / Dark clouds above a Khanty reindeer herder's tent in the Polar Ural Mountains, Yamal, Western Siberia, Russia, Summer 2007.

Bryan and Cherry Alexander / Rainbow over a Khanty reindeer herders' camp by the Bolshaia Paipudyna River in the Polar Urals Mountains. Yamal, Western Siberia, Russia, Summer 2007.