Art installation, ‘breath of life’ by Floria Sigismondi at Nuit Blanche 2016, Nathan Phillips Square, Toronto (© TorontoNews/Alamy Stock Photo)(Bing Canada)

Balloons at the Albuquerque International Balloon Fiesta in Albuquerque, New Mexico (© gmeland/Shutterstock)(Bing Canada)

Port House designed by Zaha Hadid Architects, Antwerp, Belgium (© Dmitry Rukhlenko/Alamy)(Bing Canada)

Cosmic Cliffs in the Carina Nebula (© NASA, ESA, CSA, and STScI)(Bing Canada)

Caribbean flamingos, Ría Lagartos Biosphere Reserve, Yucatán Peninsula, Mexico (© Claudio Contreras/Minden Pictures)(Bing Canada)

Bay of Biscay in the Basque Coast Geopark near Bilbao, Spain (© Olimpio Fantuz/eStock Photo)(Bing Canada)

Designs projected on the Oberbaum Bridge during the yearly Festival of Lights in Berlin, Germany (© John MacDougall/AFP via Getty Images)(Bing Canada)

Glass octopus in the Atlantic Ocean off Cabo Verde (© Solvin Zankl/Minden Pictures)(Bing Canada)

Blooms of phytoplankton in the Chukchi Sea off the coast of Alaska (© Norman Kuring/Kathryn Hansen/U.S. Geological Survey/NASA)(Bing Canada)

Close up image of colourful Indian corn kernels in Mississauga, ON (© Nancybelle Gonzaga Villarroya/Getty Images)(Bing Canada)

Wall-screw moss glistening with water droplets, Netherlands (© Arjan Troost/Minden Pictures)(Bing Canada)

Ammonite Pavement at Monmouth Beach, Jurassic Coast World Heritage Site, Dorset, England (© AWL Images/Danita Delimont)(Bing Canada)

Bull and female moose in Denali National Park, Alaska (© Yva Momatiuk and John Eastcott/Minden Pictures)(Bing Canada)

The Milky Way and galactic core area over Mount Andromeda (centre), Mount Athabasca (left) and the Athabasca Glacier (right) at the Columbia Icefields (© Alan Dyer/VW PICS/Universal Images Group via Getty Images)(Bing Canada)

Naqsh-e Rustam archaeological site near Persepolis, Iran (© mshirani/Shutterstock)(Bing Canada)

Prince Christian Sound in southern Greenland (© Posnov/Getty Images)(Bing Canada)

Long-eared owl in the Bohemian-Moravian Highlands of the Czech Republic (© Ondrej Prosicky/Alamy)(Bing Canada)

Waterfall on the Rio Arazas in Ordesa y Monte Perdido National Park, Pyrenees, Spain (© David Santiago Garcia/Cavan Images)(Bing Canada)

Thuringian Forest in autumn with Wartburg Castle, Germany (© ezypix/Getty Images)(Bing Canada)

Hoffmann's two-toed sloth mother and young, Puerto Viejo de Talamanca, Costa Rica (© Suzi Eszterhas/Minden Pictures)(Bing Canada)

Cypress trees in autumn, Georgia (© Chris Moore/Tandem Stills + Motion)(Bing Canada)

Karst mountains in Guilin and Lijiang River National Park, China (© Sean Pavone/Alamy)(Bing Canada)

Mute swan in Valkenhorst Nature Reserve, near Valkenswaard, the Netherlands (© David Pattyn/Minden Pictures)(Bing Canada)

Oil lamps arranged on a rangoli to celebrate Diwali in Guwahati, India (© Biju Boro/Getty Images)(Bing Canada)

Orcus sculpture in the Gardens of Bomarzo in Bomarzo, Italy (© Scott Wilson/Alamy)(Bing Canada)

Brocken spectre in Central Balkan National Park, Bulgaria (© Maya Karkalicheva/Getty Images)(Bing Canada)

Bridge of Sighs in Venice, Italy (© Doug Pearson/Alamy)(Bing Canada)

Stormy sky over Lake Geneva in Lausanne, Switzerland (© Suradech Singhanat/Shutterstock)(Bing Canada)

Fall foliage in Mont-Tremblant National Park, Quebec (© Mircea Costina/Alamy Stock Photo)(Bing Canada)

Polar bear at the edge of Hudson Bay, Manitoba (© Sean Crane/Minden Pictures)(Bing Canada)

Trees in Wychwood Forest near Chipping Norton, Oxfordshire, England (© Frederick Ardley/Getty Images)(Bing Canada)