Upper Antelope Canyon, Navajo Tribal Park, Arizona, USA (© Mat Rick/Tandem Stills + Motion)(Bing United Kingdom)
Elderberry stem cross section (© Gilles Martin/Minden Pictures)(Bing United Kingdom)
Kalk Bay near Cape Town, South Africa (© Michael McSweeney/Corbis)(Bing United Kingdom)
Plum blossoming in spring (© atiger/Shutterstock)(Bing United Kingdom)
Sellin Pier in winter, Ruegen Island, Mecklenburg-Western Pomerania, Germany (© Kohls/Aurora Photos)(Bing United Kingdom)
Rugby Union, close-up of a scrum tackle (© Steve Stock/Alamy)(Bing United Kingdom)
Muskox in the Brooks Range, Alaska, USA (© Steven Kazlowski/Corbis)(Bing United Kingdom)
Gordon Dam, Tasmania, Australia (© Steve Daggar Photography/Getty Images)(Bing United Kingdom)
Dusk overlooking St Ives Harbour, Cornwall, England (© Ian Woolcock/Shutterstock)(Bing United Kingdom)
Northern pygmy-owl, Glacier National Park, Montana, USA (© Steven Gnam/Tandem Stills + Motion)(Bing United Kingdom)
Firehole River in Yellowstone National Park, Wyoming, USA (© Don White/SuperStock)(Bing United Kingdom)
Cloister garden in Mont Saint Michel abbey in France (© Monkey Business Images/Rex Features)(Bing United Kingdom)
Silhouette of young Indian boys playing cricket against a sunset background (© Tim Gainey/Alamy)(Bing United Kingdom)
The Heart Nebula (© Matthew Russell/Visuals Unlimited, Inc.)(Bing United Kingdom)
Miniature snow houses made for the Kamakura Festival, Yokote, Japan (© JTB Media Creation, Inc./Alamy)(Bing United Kingdom)
Holuhraun volcanic eruption, Iceland (© Johnathan Ampersand Esper/Aurora Photos)(Bing United Kingdom)
Clione (© Datacraft/Age Fotostock)(Bing United Kingdom)
Loch Benevean in Glen Affric, Scotland (© BlueGreen Pictures/SuperStock)(Bing United Kingdom)
Rocky Mountain bighorn sheep in Kananaskis Country, Alberta, Canada (© Walter Nussbaumer/Corbis)(Bing United Kingdom)
Fort Bourtange, Netherlands (© Amos Chapple/Rex Features)(Bing United Kingdom)
Satellite photo of the Ganges Delta, India and Bangladesh (© Planet Observer/Universal Images Group/SuperStock)(Bing United Kingdom)
Detail of York Minister, York, England (© Martin Bache/Alamy)(Bing United Kingdom)
Blue monkey in the Kakamega Forest Reserve, Kenya (© Anup Shah/Minden Pictures)(Bing United Kingdom)
The Redwood National and State Parks of California, USA (© David Fortney/Corbis Motion)(Bing United Kingdom)
Music Wall of Fame, Mathew Street, Liverpool (© David Colbran/Alamy)(Bing United Kingdom)
Notre-Dame de Reims Cathedral, Marne, France (© Sylvain Sonnet/Corbis)(Bing United Kingdom)
Polar bear on a barrier island in the Beaufort Sea, Arctic National Wildlife Refuge, Alaska, USA (© Patrick Endres/plainpicture)(Bing United Kingdom)
Sand dunes and yellow populus diversifolia trees along the lower part of the Talimu River, China (© George Steinmetz/Corbis)(Bing United Kingdom)