The Seattle Great Wheel in Seattle, Washington, USA (© Pete Saloutos/Image Source/Offset)(Bing United Kingdom)
Spectators wearing hats at Wimbledon in 2017 (© Oli Scarff/Getty Images)(Bing United Kingdom)
Green sea turtle at dusk, Mayotte, Indian Ocean (© Gabriel Barathieu/Biosphoto/Minden Pictures)(Bing United Kingdom)
Buttermere in the Lake District (© Robert Harding/Markus Lange/plainpicture)(Bing United Kingdom)
Giant panda cubs, China (© Mitsuaki Iwago/Minden Pictures)(Bing United Kingdom)
The Palace of Westminster illuminated in rainbow colours for Pride in London in 2017 (© Oversnap/Getty Images)(Bing United Kingdom)
Cyclists ride along tree-lined roads during the Tour de France in 2016 (© Michael Steele/Getty Images Sport)(Bing United Kingdom)
The pygmy three-toed sloth swimming near Isla Escudo de Veraguas, Panama (© Suzi Eszterhas/Minden Pictures)(Bing United Kingdom)
View of Fremont Peak in the Bridger Wilderness of Bridger-Teton National Forest, Wyoming, USA (© Don Paulson/Danita Delimont)(Bing United Kingdom)
An Atlantic puffin inspects a nesting burrow on Skomer Island, Wales (© Danny Green/Minden Pictures)(Bing United Kingdom)
View of the Rock of Gibraltar (© Panther Media GmbH/Alamy)(Bing United Kingdom)
Blue shark near Cork, Ireland (© Cultura/REX/Shutterstock)(Bing United Kingdom)
Macro photograph of a migrant hawker dragonfly (© Petar Sabol Sharpeye/REX/Shutterstock)(Bing United Kingdom)
Stink bug eggs on a leaf in Madagascar (© Paul Bertner/Minden Pictures)(Bing United Kingdom)
Nelson Mandela monument by artist Marco Cianfanelli near Howick, South Africa (© Andy Trevaskis/Alamy Stock Photo)(Bing United Kingdom)
Costumed attendees at the 2014 San Diego Comic-Con International (© Sandy Huffaker/Reuters)(Bing United Kingdom)
Composite of photographs from the Apollo 15 mission, 1971 (© NASA)(Bing United Kingdom)
Comet moth in Ranomafana National Park, Madagascar (© Robin Hoskyns/Minden Pictures)(Bing United Kingdom)
Candles floating in the Ganges, Varanasi, India (© Mint Images/Aurora Photos)(Bing United Kingdom)
Hanging lamps at the Mori Building Digital Art Museum in Tokyo (© Behrouz Mehri/Getty Images)(Bing United Kingdom)
Beach huts in Southwold, Suffolk (© James Barrett/Alamy)(Bing United Kingdom)
Middle Falls at Letchworth State Park, New York, USA (© Posnov/Moment/Getty Images)(Bing United Kingdom)
Composite image of the 31 January 2018 lunar eclipse seen from Tokyo, Japan (© Kazuhiro Nogi/Getty Images)(Bing United Kingdom)
American flamingo chicks at the Ría Lagartos Biosphere Reserve, Yucatan Peninsula, Mexico (© Claudio Contreras/Minden Pictures)(Bing United Kingdom)
Children play under a parachute in Kolkata, India, for International Day of Friendship (© Rupak De Chowdhuri/Reuters)(Bing United Kingdom)
Park ranger Ismael Galvez in El Triunfo Biosphere Reserve in Mexico for World Ranger Day (© Chico Sanchez/Aurora Photos)(Bing United Kingdom)