Elephant (Loxodonta laprofolis) in stealth stance, Marakele National Park, Limpopo, South Africa (© Staffan Widstrand/Minden Pictures)(Bing United Kingdom)

Mount Snowdon and the Llanberis Pass from Dinorwic Slate Quarry, Snowdonia National Park, Gwynedd (© Alan Novelli/Alamy)(Bing United Kingdom)

Lighthouse at Cape Aniva, Sakhalin Island, Russia (© Amazing Aerial Agency/Offset by Shutterstock)(Bing United Kingdom)

An Ostereierbaum (Easter egg tree) in Saalfeld, Germany (© Rudi Sebastian/Alamy)(Bing United Kingdom)

Saut du Brot stone bridge in the Areuse Gorge, Neuchâtel, Switzerland (© Andreas Gerth/eStock Photo)(Bing United Kingdom)

The Parthenon temple in the Acropolis of Athens, Greece (© Lucky-photographer/Shutterstock)(Bing United Kingdom)

Hartland Point Lighthouse and Lundy Island beneath a colourful sunset, North Devon (© Adam Burton/Alamy Stock Photo)(Bing United Kingdom)

Black grouse male calling at lek site in Kuusamo, Finland (© Oliver Smart/Alamy)(Bing United Kingdom)

Shetland Sheep, a traditional, hardy breed of the Northern Isles in Scotland (© Martin Zwick/DanitaDelimont.com)(Bing United Kingdom)

Grizzly bear cub siblings playing in Denali National Park, Alaska, USA (© Ron Niebrugge/Alamy)(Bing United Kingdom)

Mount Yoshino, Nara Prefecture, Japan (© Sean Pavone/iStock/Getty Images Plus)(Bing United Kingdom)

Earth from the International Space Station, photographed by astronaut Jeff Williams (© Jeff Williams/Nasa)(Bing United Kingdom)

Wat Phra Si Sanphet, Ayutthaya Historical Park, Unesco World Heritage Site, Ayutthaya, Thailand (© travelstock44/Alamy)(Bing United Kingdom)

Basalt rock formations on Reynisfjara Beach, Iceland (© Cavan Images/Getty Images)(Bing United Kingdom)

Lençóis Maranhenses National Park in Barreirinhas, Brazil (© WIN-Initiative/Getty Images)(Bing United Kingdom)

Dalí Theatre-Museum in Figueres, Spain (© Valerija Polakovska/Shutterstock)(Bing United Kingdom)

View of the rocky gritstone edge of The Roaches looking over the patchwork landscape, Peak District, Staffordshire. (© George W Johnson/Getty Images)(Bing United Kingdom)

New River Gorge Bridge in the New River Gorge National Park and Preserve, West Virginia, USA (© EntropyWorkshop/iStock/Getty Images Plus)(Bing United Kingdom)

Large school of Munk's pygmy devil rays from the air, Gulf of California, Mexico (© Mark Carwardine/Minden Pictures)(Bing United Kingdom)

Tegalalang Rice Terraces, Ubud, Bali, Indonesia (© Michele Falzone/Alamy)(Bing United Kingdom)

The north coast of Madeira, Portugal (© Hemis/Alamy)(Bing United Kingdom)

Mississippi River on the border between Arkansas and Mississippi, USA (© Nasa)(Bing United Kingdom)

Red and white tulips for St George’s Day (© Annie Eagle/Alamy Stock Photo)(Bing United Kingdom)

The Cholla Cactus Garden in Joshua Tree National Park, California, USA (© Bryan Jolley/Tandem Stills + Motion)(Bing United Kingdom)

Adélie penguins diving off an iceberg in Antarctica (© Mike Hill/Getty Images)(Bing United Kingdom)

Wensleydale, Yorkshire Dales National Park, North Yorkshire (© Guy Edwardes/Minden Pictures)(Bing United Kingdom)

Yayoi Kusama's 'Pumpkin' artwork on Naoshima Island, Japan, in August 2018 (© WireStock/Alamy)(Bing United Kingdom)

Northern gannets on Great Saltee Island, Ireland (© Danny Green/Minden Pictures)(Bing United Kingdom)

Aerial view of tidal channels in marshland of the Mockhorn Island State Wildlife Management Area, Virginia, USA (© Shane Gross/Minden Pictures)(Bing United Kingdom)

The Spirit of Harlem mural by Louis Delsarte in Harlem, New York, USA (© Pietro Scozzari/agefotostock)(Bing United Kingdom)