Buildings in Lujiazui financial district are seen shrouded in fog amid an orange alert for heavy fog in Shanghai, China on January 31, 2024. (Photo by Xihao Jiang/Reuters)

A girl uses her mobile phone during the evening at the National Park in Khartoum, Sudan, April 24, 2015. (Photo by Mohamed Nureldin Abdallah/Reuters)

“If a man insisted always on being serious, and never allowed himself a bit of fun and relaxation, he would go mad or become unstable without knowing it”. – Herodotus. “You can discover more about a person in an hour of play than in a year of conversation”. – Plato. Photo: Mandalay, Burma. (Photo by Steve McCurry)

Youth council member Mia Buckles plays with 18-month-old Kobe Buckles-Benson as Canada's Prime Minister Justin Trudeau visits the Cowessess First Nation, where a search had found 751 unmarked graves from the former Marieval Indian Residential School near Grayson, Saskatchewan, Canada on July 6, 2021. (Photo by Shannon VanRaes/Reuters)

A member of the Central Industrial Security Force (CISF) reacts as her mother (L) places a badge with stars on the uniform during the 34th batch assistant commandants pipping ceremony at the National Industrial Security Academy (NISA) in Hyderabad on October 29, 2021. (Photo by Noah Seelam/AFP Photo)

A medical staff member rests next to a patient infected with Covid-19 in the intensive care unit of Lozenets Hospitalin Sofia on November 9, 2021. Bulgaria is among the countries with the highest number of deaths compared to its population. (Photo by Nikolay Doychinov/AFP Photo)

A sea otter in the Great Bear Rainforest, off the Pacific coast of British Columbia, Canada in the second decade of December 2024, appeared to be enjoying a relaxing swim as it preened its fur, the densest of any mammal. (Photo by Max Waugh/Solent News & Photo Agency)

A common gallinule runs across the water to escape a nearby alligator at Green Cay Nature Center in Boynton Beach, Florida on September 4, 2025. Unlike most waterbirds, gallinules have long toes that allow them to walk on floating vegetation. The species is known for its loud, cackling calls that often echo through wetlands. (Photo by Ronen Tivony/NurPhoto/Rex Features/Shutterstock)