Gavin Hellier / The Burj Khalifa, completed in 2010, the tallest man made structure in the world, Dubai, United Arab Emirates 2011. No release available.

Gavin Hellier / Djenne Mosque, the largest mud structure in the world, Djenne is a UNESCO World Heritage Site, Niger Inland Delta, Mopti Region, Mali 2006. No release available.

Paul D Stewart / Photomontage of living gecko feet showing a variety of forms. Gecko feet employ very small subdivided filaments to bond with their substrates at the molecular level using Van Der Waals' forces. Every...

Ross Hoddinott / 2020VISION / Exmoor pony and foal {Equus caballus}, released at Westhay (Somerset Wildlife Trust) Nature Reserve, for conservation grazing, Somerset Levels, Somerset, UK. June 2011. Did you know? Conservation graz...

Yva Momatiuk & John Eastcott / Western Grey Kangaroo (Macropus fuliginosus) eating flowers left on grave in Pinnaroo Valley Memorial Park, an environmentally responsible cemetery, Perth, Western Australia, Australia

Philippe Clement / Oosterscheldekering / Eastern Scheldt storm surge barrier, the largest of 13 dams designed to protect the Netherlands from flooding. Neeltje Jans, Netherlands, March 2010

Tim Laman / Strangler Fig (Ficus sp.) that has killed its host tree long ago. The host has rotted away, leaving a hollow center. Lowland rainforest in Borneo. Gunung Palung National Park, Indonesia.

Laurie Campbell / Outfall from hydroelectric Laggan Dam, Lochaber, Scotland, UK, February

Scott Leslie / Boardwalk in old-growth forest, Kejimkujik National Park, Nova Scotia, Canada

Kim Taylor / Aerial root structure of Weeping Fig tree (Ficus benjamina). Asia

Kim Taylor / Filamentous green algae {Spirogyra sp} showing cell structure

Katherine Feng / Giant Panda (Ailuropoda melanoleuca) young Panda hanging from structure at the China Conservation and Research Center for the Giant Panda, Wolong Nature Reserve, China

Gerry Ellis / Sandstone blocks of White Pyramid of King Snefru at Dakshur, Egypt

Gerry Ellis / The pyramids of Giza in evening light, Giza, Egypt

Tim Fitzharris / Temple of the Sun with Sunflowers in the foreground, Capitol Reef National Park, Utah

Gavin Hellier / Person standing at Djenne Mosque, the largest mud structure in the world, Djenne is a UNESCO World Heritage Site, Niger Inland Delta, Mopti Region, Mali 2006

Gavin Hellier / Local market held outside Djenne Mosque, the largest mud structure in the world, Djenne is a UNESCO World Heritage Site, Niger Inland Delta, Mopti Region, Mali 2006

Gavin Hellier / Man walking up towards Djenne Mosque, the largest mud structure in the world, Djenne is a UNESCO World Heritage Site, Niger Inland Delta, Mopti Region, Mali 2006

Gavin Hellier / Djenne Mosque, the largest mud structure in the world, Djenne is a UNESCO World Heritage Site, Niger Inland Delta, Mopti Region, Mali 2006

Gavin Hellier / Djenne Mosque, the largest mud structure in the world, Djenne is a UNESCO World Heritage Site, Niger Inland Delta, Mopti Region, Mali 2006

Gavin Hellier / The Burj Khalifa, completed in 2010, the tallest man made structure in the world, Dubai, United Arab Emirates 2011

Gavin Hellier / The Burj Khalifa with luxury development below, completed in 2010, the tallest man made structure in the world, Dubai, United Arab Emirates 2011

Gavin Hellier / The Burj Khalifa, completed in 2010, the tallest man made structure in the world, Dubai, United Arab Emirates 2011

Gavin Hellier / The Burj Khalifa with luxury development below, completed in 2010, the tallest man made structure in the world, Dubai, United Arab Emirates 2011

Gavin Hellier / Djenne Mosque, the largest mud structure in the world, Djenne is a UNESCO World Heritage Site, Niger Inland Delta, Mopti Region, Mali 2006

Gavin Hellier / Djenne Mosque, the largest mud structure in the world, Djenne is a UNESCO World Heritage Site, Niger Inland Delta, Mopti Region, Mali 2006

Gavin Hellier / Women at local market outside Djenne Mosque, the largest mud structure in the world, Djenne is a UNESCO World Heritage Site, Niger Inland Delta, Mopti Region, Mali 2006

Gavin Hellier / The Burj Khalifa at dusk, completed in 2010, the tallest man made structure in the world, Dubai, United Arab Emirates 2011

Gavin Hellier / The Burj Khalifa, completed in 2010, the tallest man made structure in the world, Dubai, United Arab Emirates 2011

Gavin Hellier / The Burj Khalifa at dusk, completed in 2010, the tallest man made structure in the world, Dubai, United Arab Emirates 2011

Gavin Hellier / The Burj Khalifa at dusk, completed in 2010, the tallest man made structure in the world, Dubai, United Arab Emirates 2011

Gavin Hellier / The Burj Khalifa at night, completed in 2010, the tallest man made structure in the world, Dubai, United Arab Emirates, 2011

Gavin Hellier / The Burj Khalifa at night, completed in 2010, the tallest man made structure in the world, Dubai, United Arab Emirates, 2011

Gavin Hellier / The Burj Khalifa at night, completed in 2010, the tallest man made structure in the world, Dubai, United Arab Emirates, 2011

Gavin Hellier / Looking up at the Burj Khalifa, completed in 2010, the tallest man made structure in the world, Dubai, United Arab Emirates 2011

Alex Hyde / Human hair viewed under a scanning electron microscope. The oldest part of the hair (furtherst from the scalp) will present with a rougher cuticle (outer layer) as shown here.

Ross Hoddinott / Popradske Pleso, looking toward mountain range, in late evening light, with reflections and mist. Tatra Mountains, Slovakia June 2012

Pat Tuson / Marble Arch replica built from litter collected from nearby Oxford Street and which will hopefully be recycled when the structure is dismantled, Central London UK November 2011

Pat Tuson / Marble Arch replica built from litter collected from nearby Oxford Street which will hopefully be recycled when the structure is dismantled, Central London UK November 2011

Pat Tuson / Marble Arch replica built from litter collected from nearby Oxford Street and which will hopefully be recycled when the structure is dismantled, Central London UK, November 2011

Terry Whittaker / 2020VISION / Red fox (Vulpes vulpes) eating pet food left out for it in suburban garden at twilight, Kent, UK, August, taken with camera trap. Did you know? Foxes first colonised British cities in the 1930-40s....

Tim Fitzharris / Church and gate, El Santuario de Chimayo, New Mexico

Tim Fitzharris / Sandstone formations, Temples of the Sun and Moon, Capitol Reef National Park, Utah

Sebastian Kennerknecht / Western Gull (Larus occidentalis) nesting colony near research station, South Farallon Islands, Farallon Islands, Farallon National Wildlife Refuge, California

Norbert Wu / Invertebrates on pier piling, Edithburgh, South Australia, Australia

Norbert Wu / Invertebrates on pier piling, Edithburgh, South Australia, Australia

Ingo Arndt / Tourists viewing Grand Prismatic Pool, Midway Geyser Basin, Yellowstone National Park, Wyoming

Jabruson / Termite (Macrotermes) nest structure located on tree trunk, mud drainage tips built into the sides of the structure to assist with water run-off during tropical downpours. Bai Hokou, Dzanga-Ndoki Nati...

Jabruson / 'Nguluma' tree trunk structure (Duboscia macrocarpa) lots of rainforest species eat teh leaves, fruit and seeds of this species and local people use water from boiled fruit as a cure for colds, Bai Ho...

Jabruson / 'Nguluma' tree trunk structure (Duboscia macrocarpa) lots of rainforest species eat teh leaves, fruit and seeds of this species and local people use water from boiled fruit as a cure for colds, Bai Ho...

Jabruson / 'Nguluma' tree trunk structure (Duboscia macrocarpa) lots of rainforest species eat teh leaves, fruit and seeds of this species and local people use water from boiled fruit as a cure for colds, Bai Ho...

Jabruson / 'Mbindjo' leaf close-up showing vein structure (Dalhousiea africana) Bai Hokou, Dzanga-Ndoki National Park, Central African Republic.

Mark MacEwen / Red-footed Booby (Sula sula) nesting on Raine Island in front of the Stone Beacon - oldest European structure in tropical Australia.

Scott Leslie / Canadian Hemlock (Tsuga canadensis) old growth forest and trail, Kejimkujik National Park, Nova Scotia, Canada

Solvin Zankl / GEOMAR / Sealoch sea anemone (Protanthea simplex) on dead tumbled coral structure, Trondheimfjord, North Atlantic Ocean, Norway. Controlled conditions. Photo taken in cooperation with GEOMAR coldwater coral r...

Jim Brandenburg / Mont Saint-Michel at sunset with water in surrounding bay, Normandy, France

Jim Brandenburg / Dolmen tombs at dusk, Carnac, Brittany, France

Paul Williams / Giant water lily (Victoria cruziana) underside of leaf showing spines for protection against fish, and thick stems filled with air for support to float on water, Pantanal, Matogrossense National Park,...

David Noton / The Great Wall of China, Simatai, China

Konrad Wothe / Former whaling station Grytviken, King Edward Cove, South Georgia Island

Mark Moffett / Green Tree Ant (Oecophylla smaragdina) nest woven from leaves near temple, Cambodia

Roland Seitre / European Hornets (Vespa crabro) consuming a larvae. Workers can control sex-ratios and population structure through this behaviour. Tours, France, August.

Roland Seitre / European Hornets (Vespa crabro) consuming a larvae. Workers can control sex-ratios and population structure through this behaviour. Tours, France, August.

Roland Seitre / European Hornets (Vespa crabro) consuming a larvae. Workers can control sex-ratios and population structure through this behaviour. Tours, France, August.

Scott Leslie / Boardwalk in swamp, Everglades National Park, Florida

Colin Monteath / Bactrian Camel (Camelus bactrianus) sub-adult beside Erdene Zuu Monastery near Kharakhorum, the ancient capital of Mongol empire, Mongolia

Colin Monteath / Kassapa, Shakymuni, and Maitreya Buddhas, Erdene Zuu Monastery near Kharakhorum, the ancient capital of Mongol empire, Mongolia

Colin Monteath / Shakymuni Buddha, Erdene Zuu Monastery near Kharakhorum, the ancient capital of Mongol empire, Mongolia

Colin Monteath / Buddha statues, Amarbayasgalant Monastery, Selenge, northern Mongolia

Colin Monteath / Small golden Buddhas inside Amarbayasgalant Monastery, Selenge, northern Mongolia

Hiroya Minakuchi / Japanese Maple (Acer palmatum) trees in fall colors, Tenryu-ji Temple, Kyoto, Japan

Scott Leslie / Canadian Hemlock (Tsuga canadensis) grove with boardwalk, Kejimkujik National Park, Nova Scotia, Canada

Scott Leslie / Canadian Hemlock (Tsuga canadensis) grove with boardwalk, Kejimkujik National Park, Nova Scotia, Canada

Ingo Arndt / Old cemetery during high winds, Prince Olav Harbour, South Georgia Island

Yva Momatiuk & John Eastcott / Mine tailings from years of mining for opals near Coober Pedy, South Australia, Australia

Yva Momatiuk & John Eastcott / Mine tailings from years of mining for opals near Coober Pedy, South Australia, Australia

Norbert Wu / Boardwalk through coastal dunes, Asilomar State Beach, Pacific Grove, California

Norbert Wu / Boardwalk through coastal dunes, Asilomar State Beach, Pacific Grove, California

Klaus Echle / Developing and mature Douglas Fir (Pseudotsuga menziesii) cones, a young one split in two to show internal structure. Black Forest, Germany, August.

Ernie Janes / Corn Chamomile (Anthemis arvensis), Corncockle (Agrostema githago) and common Poppy (Papaver rhoeas) flowering in meadow with old metal wheel structure, UK

Ernie Janes / Common cormorant (Phalacrocorax carbo) perched on wooden structure by the River Thames with Canary Wharf in the background, London, UK

David Maitland / Cross section through Spine of Sea Urchin (Echinus lividus) shows how its entire structure is made up from a repeating “building-block” pattern of calcium carbonate plates arranged radially in a symme...

Ernie Janes / Common seal (Phoca vitulina) on beach under wooden structure, UK

Anup Shah / Bonobo (Pan paniscus) mature male 'Tembo' building a nest structure on the forest floor, Lola Ya Bonobo Sanctuary, Democratic Republic of Congo. October.

Anup Shah / Bonobo (Pan paniscus) mature male 'Tembo' building a nest structure on the forest floor, Lola Ya Bonobo Sanctuary, Democratic Republic of Congo. October.

Pete Oxford / Opened Polybia Paper Wasp Nest showing internal structure. Cocaya River, Eastern Amazon Rain Forest, the border of Peru and Ecuador.

Ross Hoddinott / 2020VISION / Wooden owl play structure, Roslington Forestry Centre, The National Forest, Derbyshire, UK. November 2010.

Tim Laman / Newton's Golden Bowerbird (Prionodura newtoniana) male at his bower, a large stick structure decorated with lichens and flowers. Rainforest of the Paluma Range National Park Queensland, Australia, Sep...

Tim Laman / Newton's Golden Bowerbird (Prionodura newtoniana) male at his bower, a large stick structure decorated with lichens and flowers. Rainforest of the Paluma Range National Park, Queensland, Australia, Se...

Tim Laman / Newton's Golden Bowerbird (Prionodura newtoniana) male at his bower, a large stick structure decorated with lichens and flowers. Rain forest of the Paluma Range National Park, Queensland, Australia, S...

Fraser Gunn / Church of the Good Shepherd underneath the Milky Way, New Zealand

Orsolya Haarberg / Fish (cod) drying on a wooden structure, with the Nesseby church in the background, Varanger peninsula, Finnmark, Norway, February 2010

Jim Brandenburg / Mont Saint-Michel with waves in surrounding bay, Normandy, France

Yva Momatiuk & John Eastcott / Western Grey Kangaroo (Macropus fuliginosus) eating flowers left on grave in Pinnaroo Valley Memorial Park, an environmentally responsible cemetery, Perth, Western Australia, Australia

Thomas Marent / Fungus underside showing gill structure, Gunung Leuser National Park, northern Sumatra, Indonesia