Viking re-enactors from the Gullinkambi group pose for pictures as part of the Jorvik Viking Festival on February 21, 2025. 100s of Viking re-enactors will march through the streets of York tomorrow. (Photo by James Glossop/The Times & Sunday Times)

A dog belonging to the Armed Police Force jumps through a ring of fire while performing a trick during Kukur Tihar as part of Tihar, a term used in Nepal for Diwali, in Kathmandu, Nepal, on October 20, 2025. (Photo by Navesh Chitrakar/Reuters)

More than 400 people stripped off and ran into freezing waters to celebrate the autumn equinox – and raise money for charity at Druridge Bay, Britain, September 25, 2016. It was the largest turnout the North East Skinny Dip has ever seen in its five-year history, and it was also the first time it has ever rained on the morning of the event. Revellers gathered from 5.30am on Sunday at Druridge Bay, in Northumberland, before baring all in the North Sea. (Photo by David Charlton Photography)

Tanzania, 1964. A touching moment between primatologist and National Geographic grantee Jane Goodall and young chimpanzee Flint at Tanzania's Gombe Stream Reserve. (Photo by Hugo van Lawick via National Geographic)

Nadezhda Sergeeva, of the Russian Olympic Committee, looks at her time in the women's monobob heat 4 at the 2022 Winter Olympics, Monday, February 14, 2022, in the Yanqing district of Beijing. (Photo by Pavel Golovkin/AP Photo)

A lion cub wakes in the morning sun at the Zimanga private game reserve in South Africa on April 9, 2022. (Photo by Calvin Kotze/Animal News Agency)

A man cools off under a pipe of flowing water on a hot summer day in New Delhi, India, May 11, 2022. (Photo by Anushree Fadnavis/Reuters)

Afghan boys stand on a snow-covered street on the TV mountain in Kabul, Afghanistan on January 25, 2023. (Photo by Ali Khara/Reuters)