Colourful façade of a building in Little India, Singapore (© Blue Sky Studio/Shutterstock)(Bing Australia)

Hot air balloons flying during the Albuquerque International Balloon Fiesta, New Mexico (© Blaine Harrington III/Corbis)(Bing Australia)

The Carina Nebula (© NASA, ESA, N. Smith [University of California, Berkeley], and the Hubble Heritage Team [STScI/AURA])(Bing Australia)

Rainbow over Pretzfeld in Wiesent valley with view into Trubach valley, Franconian Switzerland, Bavaria, Germany (© Dr. Rüdiger Hess/geo-select fotoArt)(Bing Australia)

Elephant Trunk Hill, Guilin, China (© Ajancso/Shutterstock)(Bing Australia)

Saturniid moth, Yasuni National Park, Ecuador (© Pete Oxford/Minden Pictures)(Bing Australia)

Cushion plants and ferns in Walls of Jerusalem National Park, Tasmania, Australia (© Grant Dixon/Lonely Planet Images/Getty Images)(Bing Australia)

Water droplets on rough-stalked feather moss (© Duncan Usher/Minden Pictures)(Bing Australia)

Boardwalk of Cayeux-sur-Mer, France (© Bryant Nicolas/Alamy)(Bing Australia)

Sego Canyon pictograms, Utah (© Gary Whitton/Alamy)(Bing Australia)

The Venetian Harbour and Old Town of Chania, Greece (© Hercules Milas/Alamy)(Bing Australia)

Webb Bridge in Melbourne, Victoria, Australia (© Travelscape Images/Alamy)(Bing Australia)

A tarsier at rest, Bohol Island, Philippines (© Deddeda/Getty Images)(Bing Australia)

Chigmit Mountains and Lake Clark National Park and Preserve, Alaska (© Ian Shive/Tandem Stills + Motion)(Bing Australia)

Leafcutter ants in Boca Tapada, Costa Rica (© Bence Mate/Visuals Unlimited/Corbis)(Bing Australia)

‘Spark art’ photography (© DI Mandl Alexander/Solent News/REX)(Bing Australia)

Male gemsboks clash at Etosha National Park, Namibia (© Johan Swanepoel/Shutterstock)(Bing Australia)

Flatiron Building, New York City (© Tony Shi Photography/Getty Images)(Bing Australia)

Skagsanden, Lofoten Islands, Norway (© imageBROKER/REX Shutterstock)(Bing Australia)

Labyrinth of the Cathedral, Chartres, France (© Sylvain Sonnet/Getty Images)(Bing Australia)

A weeping willow tree (© Rolf Nussbaumer Photography/Alamy)(Bing Australia)

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

Xingping on the Li River in Guangxi Province, China (© naes/Getty Images)(Bing Australia)

Brooklyn Bridge – City Hall/Chambers Street subway station ceiling, New York City (© Mick C./500px)(Bing Australia)

A male red deer in London’s Richmond Park (© Ian Schofield/Offset)(Bing Australia)

MacKenzie Falls, Grampians National Park, Victoria, Australia (© Joe Vogan/Alamy)(Bing Australia)

South Nahanni River, Nahanni National Park Reserve, Northwest Territories, Canada (© Daryl Benson/Corbis)(Bing Australia)

Happy Halloween! (© Shutterstock)(Bing Australia)

Day of the Dead calavera figurines (© Intl St. Clair/Blend Images/Getty Images)(Bing Australia)