Wild boar and piglet in the Forest of Dean, Gloucestershire, England (© NPL/Minden Pictures)(Bing Australia)
Banksia flower on Fraser Island in Queensland, Australia (© Peter Essick/Aurora Photos)(Bing Australia)
Hot air balloon inflating for the Winthrop Balloon Festival in Washington State (© Muralee Raghavan)(Bing Australia)
Laurel trees of Madeira Natural Park, Portugal (© Frank Krahmer/Getty Images)(Bing Australia)
Building exterior on First Avenue in Manhattan, New York City (© Johnér/Offset)(Bing Australia)
Man canoes in Marramarra Creek, New South Wales, Australia (© Bill Hatcher/National Geographic Creative/Corbis)(Bing Australia)
A memorial wall to women in Konak, Izmir, Turkey (© Cem Oksuz/Getty Images)(Bing Australia)
A mangrove forest near Palau (© WaterFrame/Alamy)(Bing Australia)
Stars above, sea sparkle below in Oregon’s Cape Sebastian State Scenic Corridor (© David Pasillas/500px)(Bing Australia)
A male pine warbler perched on an icy branch (© Rolf Nussbaumer Photography/Alamy)(Bing Australia)
Beech forest near Tokamachi, Japan (© JTB Photo/age fotostock)(Bing Australia)
A grizzly in the Great Bear Rainforest, British Columbia, Canada (© Jack Chapman/Minden Pictures)(Bing Australia)
‘The Globe’ by Joe Smith, Knockan Crag National Nature Reserve, Scotland (© Mar Photographics/Alamy)(Bing Australia)
The Caldeirão on Corvo Island, Portugal (© Samuel Domingues/500px)(Bing Australia)
The Azure Window natural stone arch near Dwejra Beach, Gozo, Malta (© SIME/eStock Photo)(Bing Australia)
The dome of the Reading Room of the National Library of Ireland in Dublin (© Cahir Davitt/plainpicture)(Bing Australia)
An adolescent frog in a drop of water (© Adhi Prayoga/REX Shutterstock)(Bing Australia)
Wind farm near Port Lincoln in South Australia (© Michael Bolenski/500px)(Bing Australia)
Jardin du Luxembourg, Paris, France (© Jean-Pierre Lescourret/Getty Images)(Bing Australia)
Danum Valley Conservation Area, Sabah, Malaysia (© Steve Bloom Images/Alamy)(Bing Australia)
Dynjandi Falls, Iceland (© Garret Suhrie/Tandem Stills + Motion)(Bing Australia)
A Holi festival in Washington DC, United States (© Devesh Tripathi/500px)(Bing Australia)
Eurasian red squirrels in action (© Vadim Trunov/Solent News/REX Shutterstock)(Bing Australia)
Sunflowers at Windy Station farm in Quirindi, New South Wales, Australia (© Anthony Ginman/Moment/Getty Images)(Bing Australia)
San Juan de Gaztelugatxe, Bermeo, Basque Country, Spain (© Mimadeo/Shutterstock)(Bing Australia)
Baby feral domestic rabbit, Okunoshima Island, Hiroshima, Japan (© Yukihiro Fukuda/Minden Pictures)(Bing Australia)
Hot springs in Dallol, Ethiopia (© Kazuyoshi Nomachi/Corbis)(Bing Australia)
Detail of the Messe Basel Exhibition Hall in Basel, Switzerland (© View Pictures/REX Shutterstock)(Bing Australia)
West Bow street in Edinburgh, Scotland (© Rory McDonald/Getty Images)(Bing Australia)
White Pocket in the Vermilion Cliffs National Monument, Arizona (© Harun Mehmedinovic/Tandem Stills + Motion)(Bing Australia)
Puffins (© Nicram Sabod/Shutterstock)(Bing Australia)