Moraine Lake in Banff National Park, Alberta, Canada (© Schroptschop/Getty Images)(Bing United Kingdom)

Aerial view of the theatre at the ancient city of Hierapolis, near Pamukkale, Turkey (© Amazing Aerial Agency/Offset by Shutterstock)(Bing United Kingdom)

Cape foxes in the Kalahari Desert in South Africa (© NSP-RF/Alamy)(Bing United Kingdom)

Wildflowers in Kettle River Recreation Area, British Columbia, Canada (© Debra Brash/plainpicture)(Bing United Kingdom)

Great Point Light on Nantucket Island, Massachusetts, USA (© Cate Brown/Cavan Images)(Bing United Kingdom)

Tolbachik volcanic complex on the Kamchatka Peninsula, Russia (© Egor Vlasov/Shutterstock)(Bing United Kingdom)

Enhanced-colour composite of the Caloris Basin, Mercury (© Nasa/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington)(Bing United Kingdom)

Grey seal pup resting on a beach in Blakeney National Nature Reserve, Norfolk (© Kevin Sawford/Getty Images)(Bing United Kingdom)

Aber Falls in Snowdonia National Park, Gwynedd (© ValeryEgorov/iStock/Getty Images Plus)(Bing United Kingdom)

The bell tower in Lake Reschen in South Tyrol, Italy (© Scacciamosche/Getty Images)(Bing United Kingdom)

Bàu Cá Cái mangrove forest in Quảng Ngãi Province, Vietnam (© Robert Harding World Imagery/Offset)(Bing United Kingdom)

Water ripples on the surface of Ežezers Lake in the Latgale region, Latvia (© Eaglewood Films/Nimia)(Bing United Kingdom)

Boats in Tollesbury Marina, Essex (© Geoffrey Robinson/Alamy Stock Photo)(Bing United Kingdom)

The Panthéon in Paris, France (© manjik/Shutterstock)(Bing United Kingdom)

The flooded crypt at Winchester Cathedral, Hampshire (© Oliver Hoffmann/Alamy)(Bing United Kingdom)

North Pacific humpback whale breaching in Alaska, USA (© Tony Wu/Minden Pictures)(Bing United Kingdom)

Hot air balloon with a smile (© Leonsbox/Getty Images Plus)(Bing United Kingdom)

Nine-spotted moth in Switzerland (© Thomas Marent/Minden Pictures)(Bing United Kingdom)

The Grand Canal and Basilica di Santa Maria della Salute in Venice, Italy (© Jim Richardson/Offset by Shutterstock)(Bing United Kingdom)

The Earth rises over Mare Smythii on the Moon (© Image Science and Analysis Laboratory, NASA-Johnson Space Center)(Bing United Kingdom)

Dinant and the River Meuse in Namur, Belgium (© Kadagan/Shutterstock)(Bing United Kingdom)

Blue wildebeest herd migrating at sunset, Maasai Mara Game Reserve, Kenya (© Denis-Huot/Minden Pictures)(Bing United Kingdom)

Wooden doors and a stone path at the base of Fort Lovrijenac in Kolorina Bay, Dubrovnik (© Barbara Vallance/Getty Images)(Bing United Kingdom)

The Giant's Causeway, Bushmills, County Antrim (© Chiara Salvadori/Getty Images)(Bing United Kingdom)

Disko Bay, Ilulissat, Greenland (© Kertu/Shutterstock)(Bing United Kingdom)

Hamelin Pool Marine Nature Reserve, Shark Bay, Australia (© Abstract Aerial Art/Getty Images)(Bing United Kingdom)

Tamul waterfall in San Luis Potosí, Mexico (© Robert Harding World Imagery/Offset by Shutterstock)(Bing United Kingdom)

Northern gannet (Morus bassanus) in flight, Troupe Head RSPB Reserve, Aberdeenshire (© Dave Pressland/Minden Pictures)(Bing United Kingdom)

Kalsoy Island, part of the Faroe Islands (© Swen Stroop/Getty Images Plus)(Bing United Kingdom)

Hamerkop standing on a hippo, Mana Pools National Park, Zimbabwe (© David Fettes/Getty Images)(Bing United Kingdom)

Hot air balloons over Clifton Suspension Bridge at sunrise, Bristol (© Rich Jones Photography/Getty Images)(Bing United Kingdom)