Mahatma Gandhi statue at the Sabarmati Ashram in Ahmedabad, Gujarat (© Kandarp Gupta/Alamy)

Brown bear in Silver Salmon Creek, Lake Clark National Park and Preserve, Alaska, United States (© Danny Green/Nature Picture Library)

Adélie penguins, Antarctica (© Otto Plantema/Minden Pictures)

Danxia landform, Zhangye National Geopark, Gansu, China (© Weiquan Lin/Getty Images)

Moss-covered rocks in Puzzlewood, Forest of Dean, Gloucestershire, England (© Fulcanelli_AOS/Getty Images)

Octopus in defensive posture, Mayotte, Indian Ocean (© Gabriel Barathieu/Minden Pictures)

View of the Sanguinaires Islands from Corsica, France (© Francesco Riccardo Iacomino/Getty Images)

Double-crested cormorants over Monterey Bay, California, United States (© Hiroya Minakuchi/Minden Pictures)

Glade Creek Grist Mill, Babcock State Park, West Virginia, United States (© dszc/Getty Images)