An octopus is filmed by the National Oceanic and Atmospheric Administration ship Okeanos Explorer and its robotic sub. (Photo by National Oceanic and Atmospheric Administration)

Recreation time for the seminarists at St. Ignatius Loyala shrine at Azpeitia, Gipuzkoa (Guipúzcoa) in Spain. (Photo by Evans/Getty Images). 1955

People fight for the ball as they take part in a mud football match during a festival for celebrating harvest in a village in Jinhua, Zhejiang Province, China September 24, 2017. (Photo by Reuters/China Stringer Network)

Leslie Cliff and his wife Violet, English figure skating pair. Olympic games of Garmisch-Partenkirchen (Germany), 1936. (Photo by Roger Viollet Collection/Getty Images)

A pack of wild smooth-coated otters, nicknamed the “Zouk family”, crosses Penang Road in Singapore on March 3, 2021, the World Wildlife Day. The “Zouks”, a well-known otter family in Singapore, started out from the Istana on Wednesday, and made a “royal” tour of various landmarks in Singapore. (Photo by Chine Nouvelle/SIPA Press/Rex Features/Shutterstock)

Professional dog walker Nobuaki Moribe leads his clients' pets across an intersection in Tokyo on Friday, May 28, 2021. (Photo by Hiro Komae/AP Photo)

A man photographs “Mount Recyclemore”, an artwork depicting the G7 leaders looking towards Carbis Bay, made from electronic waste by Joe Rush and Alex Wreckage, ahead of the G7 summit, at Hayle Towans in Cornwall, Britain, June 8, 2021. (Photo by Tom Nicholson/Reuters)