The Rheinturm at night in Düsseldorf, Germany (© r.classen/Shutterstock)(Bing United Kingdom)

A harvest mouse living in a tennis ball in Thetford, Norfolk (© David Tipling/Lonely Planet Images/Getty Images)(Bing United Kingdom)

Long-tailed tits in Erding, Germany (© H. Schmidbauer/Offset)(Bing United Kingdom)

White Sands National Monument in New Mexico (© Peter Burgstaller/Gallery Stock)(Bing United Kingdom)

Snails ‘kissing’ in Sambas Regency, Indonesia (© Solent News/Rex Shutterstock)(Bing United Kingdom)

Antelope Valley Poppy Reserve in California, USA (© Ron Thomas/Getty Images)(Bing United Kingdom)

The National Theatre lit up in rainbow colours, London (© Zefrog/Alamy)(Bing United Kingdom)

‘Umbrellas’ sculpture by George Zongolopoulos outside of Macedonian Museum of Contemporary Art in Thessaloniki, Greece (© SIAATH/Shutterstock)(Bing United Kingdom)

Sheep in the Peak District, Derbyshire (© James Mills/500px)(Bing United Kingdom)

Lok Baintan Floating Market on the Martapura River in Indonesia (© Fauzan Mauddin/Solent News/REX/Shutterstock)(Bing United Kingdom)

Atlantic ghost crab (© Luciano Candisani/Minden Pictures)(Bing United Kingdom)

Ferris wheel in the Tuileries Garden in Paris, France (© Tardy Herv/Getty Images)(Bing United Kingdom)

Salt evaporation ponds in San Francisco Bay, California, USA (© Jason Hawkes/REX/Shutterstock)(Bing United Kingdom)

Farolim de Felgueiras, a lighthouse in Porto, Portugal (© Veselin Malinov/500px)(Bing United Kingdom)

Beach huts reflecting in the water at Woolacombe Beach, Devon (© Fingerszz/Getty Images)(Bing United Kingdom)

Geladas in Simien Mountains National Park, Ethiopia (© Thomas Marent/Minden Pictures)(Bing United Kingdom)

Aldabra of the Seychelles in the Indian Ocean (© Wil Meinderts/Minden Pictures)(Bing United Kingdom)

The Moon rises over Glastonbury Tor, Somerset (© Matt Cardy/Getty Images)(Bing United Kingdom)

Close-up of a fly on flower stamens (© Alberto Ghizzi Panizza/Getty Images)(Bing United Kingdom)

Hammock camping on the Econlockhatchee River in Florida, USA (© Mac Stone/Tandem Stills + Motion)(Bing United Kingdom)

Agricultural fields in the Monegros Desert near Los Monegros, Spain (© Juan Carlos Muñoz/age fotostock)(Bing United Kingdom)

Rainbow lorikeets in Werribee, Australia (© Roger Powell/Minden Pictures)(Bing United Kingdom)

The view from Reinebringen ridge at the village of Reine on Moskenesøya, Norway (© David Varga/Shutterstock)(Bing United Kingdom)

Wilson Peak seen from Alta, a ghost town in Colorado, USA (© Grant Ordelheide/Tandem Stills + Motion)(Bing United Kingdom)

Huangshan mountains in Anhui province, China (© Oktay Ortakcioglu/Getty Images)(Bing United Kingdom)

Aerial view of Washington Square Park, New York City, USA (© New York on Air/Offset)(Bing United Kingdom)

Pictured Rocks National Lakeshore, Michigan, USA (© Steve Gettle/Minden Pictures)(Bing United Kingdom)

View of Mellieħa, Malta (© Zoltan Gabor/Alamy)(Bing United Kingdom)