Wimbachklamm, Ramsau, Bavaria, Germany (© Westend61 GmbH/Alamy)(Bing Australia)

Guaita Tower in San Marino (© Piercarlo Abate/Shutterstock)(Bing Australia)

'Vessel' at Hudson Yards in New York City (© Paparacy/Shutterstock)(Bing Australia)

Tegallalang terrace farms in Ubud, Bali, Indonesia (© gorgeoussab/Shutterstock)(Bing Australia)

Castillo del Morro in Old San Juan, Puerto Rico (© grandriver/Getty Images)(Bing Australia)

Mount Fanjing, the highest peak of the Wuling Mountains, in southwest China (© Keitma/Alamy)(Bing Australia)

Eastern Sedgefrog (Litoria fallax) sheltering in a flower, Queensland (© Neil Bowman/Minden Pictures)(Bing Australia)

Central Coast vineyards in Arroyo Grande, California (© Ian Shive/Tandem Motion + Stills)(Bing Australia)

Gerenuk in Tsavo National Park, Kenya (© Byrdyak/iStock/Getty Images Plus)(Bing Australia)

Aerial view of rainforest and Daintree River, Australia (© Peter Adams/Offset)(Bing Australia)

The Milky Way seen from Canyonlands National Park in Utah (© Cavan Images/Offset)(Bing Australia)

Drones light up the sky over Shenzhen, China (© Liang Weiming/VCG via Getty Images)(Bing Australia)

Surfboards in a row (© plainpicture/Tony Arruza)(Bing Australia)

The Pando quaking aspen in Fishlake National Forest, Utah (© Don Paulson/Danita Delimont)(Bing Australia)

Stoke Pero Common, Exmoor National Park, England, UK (© David Noton/Alamy)(Bing Australia)

True-colour image of Earth from Landsat satellites (© Planet Observer/Universal Images Group via Getty Images)(Bing Australia)

The Villarrica volcano in Chile on September 2, 2018 (© Cristobal Saavedra Escobar/Reuters)(Bing Australia)

A common loon in Superior National Forest in Minnesota (© Jim Brandenburg/Minden Pictures)(Bing Australia)

Tokyo cityscape at sunset, Japan (© rudi1976/Alamy)(Bing Australia)

'The Wall for Peace' and the Eiffel Tower in Paris for the International Day of Peace (© Prisma by Dukas Presseagentur GmbH/Alamy)(Bing Australia)

Fireworks during La Merce Festival in Barcelona, Spain (© Lucas Vallecillos/age fotostock)(Bing Australia)

Equinox at the Temple of Kukulcan in Chichen Itza, Mexico (© Somatuscani/Getty Images Plus)(Bing Australia)

A mountain gorilla eating in a tree in the Bwindi Impenetrable National Park, Uganda (© Robert Haasmann/Minden Pictures)(Bing Australia)

Arctic surfing trip in the Lofoten Islands, Norway for the Lofoten Masters (© Nicolás Pina/Tandem Stills + Motion)(Bing Australia)

San Sebastian and the Kursaal Palace, where the San Sebastian Film Festival is taking place (© Aljndr/iStock/Getty Images Plus)(Bing Australia)

Colourful sunset over Castildetierra, in the Natural Park of Bardenas Reales, Navarre, Spain (© Inigofotografia/iStock/Getty Images Plus)(Bing Australia)

Blooming jacaranda trees in New Farm Park, Brisbane, Australia (© Walter Bibikow/Danita Delimont)(Bing Australia)

Autumnal landscape near the town of Clavijo in Spain's Rioja district (© Olimpio Fantuz/eStock Photo)(Bing Australia)

An aerial view of Daxing International Airport in Beijing (© Xinhua/Alamy)(Bing Australia)

Coffee cherries in Quindío, Colombia (© The Colombian Way Ltda/Getty Images)(Bing Australia)