Strokkur geyser near the Hvítá River in Iceland (© Zinaida Sopina/Shutterstock)(Bing United Kingdom)

Two snails atop a mushroom (© Marianna Armata/Getty Images)(Bing United Kingdom)

Galápagos sea lion mother and pup on Floreana Island, Ecuador (© Tui De Roy/Minden Pictures)(Bing United Kingdom)

Blackpool Illuminations, Lancashire, England (© Jason Friend Photography Ltd/Photodisc/Getty Images)(Bing United Kingdom)

Heather growing in Cairngorms National Park, Scotland (© Sebastian Kennerknecht/Minden Pictures)(Bing United Kingdom)

Manhattan’s Financial District as seen from Brooklyn Heights, New York (© Andrew C. Mace/Getty Images)(Bing United Kingdom)

Sunset near Ely, Minnesota (© Jim Brandenburg/Minden Pictures)(Bing United Kingdom)

‘Greeting to the Sun’ installation by Nikola Bašić, Zadar, Croatia (© Ivan Coric/Alamy)(Bing United Kingdom)

A coal tit taking a break (© NHPA/SuperStock)(Bing United Kingdom)

Natural Bridges State Beach, Santa Cruz, California (© Fotofeeling/Westend61/plainpicture)(Bing United Kingdom)

Gorges of Tarn in Cévennes National Park, Languedoc-Roussillon, France (© Jan Wlodarczyk/Alamy)(Bing United Kingdom)

Charoite-bearing rock found in the Sakha Republic, Russia (© Bernardo Cesare/Corbis)(Bing United Kingdom)

A red fox (Vulpes vulpes) yawning in the morning light in Lifton, Devon (© Ross Hoddinott/Nature Picture Library/Corbis)(Bing United Kingdom)

Male black-naped monarch (© kajornyot/Shutterstock)(Bing United Kingdom)

Birch trees on the Bashang Plateau, China (© Aaron Ng Photography/Getty Images)(Bing United Kingdom)

The Milky Way over Capitol Reef National Park in Utah (© Dave Lane/NASA)(Bing United Kingdom)

Segovia, Spain (© Sean Pavone/Shutterstock)(Bing United Kingdom)

Rugby union players battle for the ball in a scrum (© xc/Shutterstock)(Bing United Kingdom)

Interior of a beer tent at Oktoberfest in Munich, Germany (© WRIGHT/Superstock)(Bing United Kingdom)

Grjótagjá cave near Mývatn lake in Iceland (© Joerg Abendroth/Tandem Stills + Motion)(Bing United Kingdom)

Mauve stinger jellyfish, Ixtapa Zihuatanejo, Mexico (© Christian Vizl/Tandem Stills + Motion)(Bing United Kingdom)

Hobbiton, near Matamata, North Island, New Zealand (© imageBROKER/Rex Features)(Bing United Kingdom)

Maroon Lake and the Maroon Bells peaks, Colorado (© Inge Johnsson/Alamy)(Bing United Kingdom)

Jaswant Thada in Jodhpur, India (© Lucas Vallecillos/age fotostock)(Bing United Kingdom)

Japanese dwarf flying squirrel (© Shiroh Yabe/SEBUN PHOTO/amanaimages/Corbis)(Bing United Kingdom)

Elakala Waterfall #1 in Blackwater Falls State Park, West Virginia (© Randall Sanger/Tandem Stills + Motion)(Bing United Kingdom)

Loch Ness in the Scottish Highlands at sunset (© Gordie Broon Photography/Getty Images)(Bing United Kingdom)

Wicker cultivation in the village of Cañamares, Cuenca, Spain (© David Santiago Garcia/Aurora Photos)(Bing United Kingdom)

Volcanic crater off Santiago Island, Galápagos Islands (© Frans Lanting/Corbis)(Bing United Kingdom)

The road up Mauna Kea on the Big Island of Hawaii (© Gary S. Chapman/Shutterstock)(Bing United Kingdom)