Adélie penguins in Antarctica (© David Merron Photography/Getty Images)

Old underground cellar, Bavaria, Germany (© Andreas Zerndl/Getty Images)

Stuttgart Public Library, Germany (© Axel Brunst/Tandem Stills + Motion)

Island fox in Channel Islands National Park, California (© Ian Shive/Tandem Stills + Motion)

Procida, Italy (© Sean Pavone/Shutterstock)

Juniper Springs in Ocala National Forest, Florida (© Michael Warren/Getty Images)

Taiwan yuhina pair, Alishan National Scenic Area, Taiwan (© Staffan Widstrand/Minden Pictures)

Machu Picchu, Peru (© Dora Dalton/Getty Images)

‘One Thousand Springs’ haiku art installation by Chiharu Shiota, Kew Royal Botanic Gardens, London, England (© Guy Bell/Alamy Live News)

Adelaide International Kite Festival, Australia (© Andrey Moisseyev/Alamy)