Elderberry stem cross section (© Gilles Martin/Minden Pictures)(Bing Australia)

Kalk Bay near Cape Town, South Africa (© Michael McSweeney/Corbis)(Bing Australia)

Plum blossoming in spring (© atiger/Shutterstock)(Bing Australia)

Upper Antelope Canyon, Navajo Tribal Park, Arizona, USA (© Mat Rick/Tandem Stills + Motion)(Bing Australia)

Tall ship Eye of the Wind in Tasmania, Australia (© John Hay/Getty Images)(Bing Australia)

Sellin Pier in Mecklenburg-Western Pomerania, Germany (© Kohls/Image Broker/Aurora Photos)(Bing Australia)

Muskox in the Brooks Range, Alaska (© Steven Kazlowski/Corbis)(Bing Australia)

Northern pygmy-owl, Glacier National Park, Montana (© Steven Gnam/Tandem Stills + Motion)(Bing Australia)

Village Bay on the island of Hirta, Scotland (© Jim Richardson/Getty Images)(Bing Australia)

Firehole River in Yellowstone National Park, Wyoming, USA (© Don White/SuperStock)(Bing Australia)

Cloister garden in Mont Saint Michel Abbey, France (© Monkey Business Images/Rex Features)(Bing Australia)

Unknown lake in the Cariboo region of British Columbia, Canada (© Mike Grandmaison/Corbis)(Bing Australia)

Melbourne Cricket Ground in Victoria, Australia (© Arcaid Images/Alamy)(Bing Australia)

Miniature snow houses made for the Kamakura Festival, Yokote, Japan (© JTB Media Creation, Inc./Alamy)(Bing Australia)

Ponte Vecchio, a bridge in Florence, Italy (© Sylvain Sonnet/Corbis)(Bing Australia)

Sea Angel, also known as Clione (© Datacraft/Age Fotostock)(Bing Australia)

Loch Benevean in Glen Affric, Scotland (© BlueGreen Pictures/SuperStock)(Bing Australia)

Rocky Mountain bighorn sheep in Kananaskis Country, Alberta, Canada (© Walter Nussbaumer/Corbis)(Bing Australia)

Bethesda Terrace’s lower passage in Central Park, New York City (© Sean Pavone/Shutterstock)(Bing Australia)

Satellite photo of the Ganges Delta at India and Bangladesh (© Planet Observer/Universal Images Group/SuperStock)(Bing Australia)

Blue monkey in the Kakamega Forest Reserve, Kenya (© Anup Shah/Minden Pictures)(Bing Australia)

Fort Bourtange, Netherlands (© Amos Chapple/Rex Features)(Bing Australia)

The Redwood National and State Parks of California (© David Fortney/Corbis Motion)(Bing Australia)

Palm canopy in the Daintree National Park, Queensland, Australia (© Konrad Wothe/Minden Pictures)(Bing Australia)

Notre-Dame de Reims Cathedral, Marne, France (© Sylvain Sonnet/Corbis)(Bing Australia)

Polar bear on a barrier island in the Beaufort Sea, Arctic National Wildlife Refuge, Alaska (© Patrick Endres/plainpicture)(Bing Australia)

Cinder cones in the crater of Haleakalā Volcano, Maui, Hawaii (© Dennis Maisel/Tandem Stills + Motion)(Bing Australia)

Zêzere River in Covão da Ametade, Serra da Estrela mountains, Portugal (© Joel Santos/Corbis)(Bing Australia)