Cathedral Peak, Yosemite National Park, California (© Mark Brodkin/Rex Features)(Bing Australia)

People boarding trains at Überseequartier station in HafenCity, Hamburg, Germany (© Shutterstock)(Bing Australia)

King penguin surrounded by chicks, South Georgia (© Steve Bloom Images/Alamy)(Bing Australia)

Red Rock Canyon in Waterton Lakes National Park, Canada (© Frank Krahmer/Corbis)(Bing Australia)

Koi carp, Kyoto (© Sharon Smith/Getty Images)(Bing Australia)

Dallas Divide near Ridgway, Colorado (© Stephanie Coffman/TandemStock)(Bing Australia)

A pier goes through the ocean in Iracema beach, Fortaleza city, Ceará state, Brazil (© SIME/eStock Photo)(Bing Australia)

Detail of a television tower illuminated during the Festival of Lights in 2011, Berlin, Germany (© Holger Burmeister/Alamy)(Bing Australia)

Matsumoto Castle, Japan (© Mitsushi Okada/Panorama Stock)(Bing Australia)

Barcolana regatta, Gulf of Trieste, Italy (© SIME/eStock Photo)(Bing Australia)

Dry Island Buffalo Jump Provincial Park, Alberta, Canada (© Darwin Wiggett/Alamy)(Bing Australia)

White storks at Cabo Sardão, Portugal (© David Santiago Garcia/Aurora Photos)(Bing Australia)

Palm Jumeirah in Dubai, United Arab Emirates (© AirPano)(Bing Australia)

Time-lapse image of the skies above the Siding Spring Observatory near Coonabarabran in New South Wales, Australia (© David Nunuk/Science Photo Library)(Bing Australia)

The stepping stones on Perranporth Beach, Cornwall, England (© Andrew Ray/Alamy)(Bing Australia)

Detail of a painted beauty butterfly, Yasuni National Park, Amazon, Ecuador (© Pete Oxford/ Minden Pictures)(Bing Australia)

Seedling mangroves in Cayos Cochinos, Honduras (© Mac Stone/Tandem Stills + Motion)(Bing Australia)

Aerial view of Gosses Bluff meteorite crater, Northern Territory (© Ted Mead/Photolibrary/Getty Images)(Bing Australia)

National Library of China, Beijing, China (© Zens photo/Moment Open/Getty Images)(Bing Australia)

North Fork of the Virgin River, Zion Canyon, Utah, USA (© Shutterstock)(Bing Australia)

Mountain Viscacha (Lagidium viscacia) in Parinacota, far northern Chile (© Bob Wickham/Oxford Scientific/Getty Images)(Bing Australia)

View from Grizzly Peak in the Berkeley Hills above Berkeley, California (© Toby Harriman/Tandem Still + Motion)(Bing Australia)

Emperor tamarin in Manu National Park, Peru (© Thomas Marent/Minden Pictures)(Bing Australia)

Gears and rubies inside an antique watch (© Seraficus/Getty Images)(Bing Australia)

Aerial view of agricultural farmlands, New Zealand (© Paul Chesley/Alamy)(Bing Australia)

Close-up view of a fire agate gemstone (© Darrell Gulin/Corbis)(Bing Australia)

Ring-necked pheasant male, Texel, Netherlands (© Thomas Hinsche/Corbis)(Bing Australia)

Farmland in Makassar, South Sulawesi, Indonesia (© Keren Su/Corbis)(Bing Australia)

Homage to legendary ghost stories (© Lindsay Daniels Design/Gary Spradling/Alamy, Corbis Images, Getty Images, plainpicture, Shutterstock, SuperStock)(Bing Australia)

Tests of rapeseed crops, isolated parcels under tunnel to avoid crossings (aerial view), Oucques, Loir-et-Cher, France (© CORMON Francis/hemis.fr/Alamy)(Bing Australia)