Bookshelves photographed at Chawton House Library in Hampshire, England as part of Bing Help Your Britain © (Bing United Kingdom)

Barn swallows on wires, Overberg, Western Cape, South Africa (© Robert Harding/plainpicture) © (Bing United Kingdom)

Boats moored at Penzance Harbour, Cornwall, England (© Clipcanvas) © (Bing United Kingdom)

Aerial view of a creek flowing through the countryside of Virginia, USA (© Cameron Davidson/Corbis) © (Bing United Kingdom)

Composite image of raccoon butterflyfish underwater, Maui, Hawaii, USA (© Pacific Stock-Design Pics/Superstock) © (Bing United Kingdom)

Aerial photo of Wilpena Pound in the Flinders Ranges, South Australia, Australia (© imagebroker.net/Superstock) © (Bing United Kingdom)

Underground view of Canal Saint-Martin in Paris, France (© Stefano Torrione/Hemis/Corbis) © (Bing United Kingdom)

Escalator through the “Tunnel of Light” installation at the Nydalen Metro Station in Oslo, Norway (© Bard Johannessen/Getty Images) © (Bing United Kingdom)

Iceberg and cloud landscape reflecting in totally calm waters near Ross Island, Antarctica, Southern Ocean (© A Rose/AGE Fotostock) © (Bing United Kingdom)

Total solar eclipse (© Miloslav Druckmuller/SF/SuperStock) © (Bing United Kingdom)

Composite of a juvenile thorn bug on the right, and female and male thorn bug head-to-head on a sweet acacia branch (© Christina L. Evans-Rainbow/Corbis) © (Bing United Kingdom)

Sunset over Kilauea Volcano on the Big Island, Hawaii, USA (© Clipcanvas) © (Bing United Kingdom)

Cyclist on mountain bike, Honister Pass, The Lake District, Cumbria, England (© Purcell-Holmes/AGE Fotostock) © (Bing United Kingdom)

Stupas representing 13 peaks of Meili Snow Mountain, DiQing Tibetan Autonomous Prefecture, Yunnan Province, China (© TAO Images Limited/Getty Images) © (Bing United Kingdom)

Camels braying at the Pushkar Camel Festival, Pushkar, Rajasthan, India (© John Lund/Stephanie Roeser/Getty Images) © (Bing United Kingdom)

Lightning strike, Cape Canaveral, Florida, USA (© Geo Rittenmyer/Corbis) © (Bing United Kingdom)

Humpback whales in Lynn Canal, Alaska, USA (© Bernd Römmelt/4Corners) © (Bing United Kingdom)

A man walks inside the crumbling skeleton of the House of the Bulgarian Communist Party on Mount Buzludzha, Bulgaria (© Dimitar Dilkoff/Getty Images) © (Bing United Kingdom)

A lamb gives a turkey a kiss on a farm in Lindsborg, Kansas, USA (© Joel Sartore/National Geographic/Aurora Photos) © (Bing United Kingdom)

Perito Moreno glacier in Los Glaciares National Park, Patagonia, Argentina (© Escudero Patrick/Aurora Photos) © (Bing United Kingdom)

Aerial view, New Caledonia Barrier Reef, near Noumea, New Caledonia (© Blaine Harrington III/Corbis) © (Bing United Kingdom)

Fish traps in Kosi Bay, South Africa (© Michael Fay/Aurora Photos) © (Bing United Kingdom)

Oaks and flooded fields, Norfolk, England (© Ernie Janes/Age Fotostock) © (Bing United Kingdom)

Lemur on a bamboo tree, Madagascar (© Olivier Leger/Getty Images) © (Bing United Kingdom)

Lanterns released into sky during a festival, Chiang Mai province, Thailand (© Daniel Osterkamp/Getty Images) © (Bing United Kingdom)

Moss-covered tree roots in Gorbea Natural Park, Basque Country, Spain (© Rosa Isabel Vazquez/plainpicture) © (Bing United Kingdom)

Radio room at Chelsea and Westminster Hospital, London, England, photographed as part of Bing Help Your Britain © (Bing United Kingdom)

Tunnel View in Yosemite National Park, California, USA (© Doug Meek/Corbis) © (Bing United Kingdom)