Nihon University professor and head of Nihon University Animal Medical Center Kazuya Edamura, 49, points to cat photos on a computer screen, which are used to train the AI of “CatsMe!”, an AI-driven smartphone application jointly developed by tech startup Carelogy and researchers at Nihon University that purports to tell when a cat is feeling pain, as he gives a lecture to students on diagnosing pain in cats, at the medical center in Fujisawa, south of Tokyo, Japan on June 11, 2024. (Photo by Issei Kato/Reuters)

A man sleeps in a subway train in New York city on August 1, 2024. (Photo by Charly Triballeau/AFP Photo)

Bathers brave the cold waters of the North Sea as they take part in the annual Boxing Day dip at Redcar Beach on December 26, 2023 in Redcar, England. The event attracts hundreds of people each year, with many wearing fancy dress, who take to the water to help raise money for a number of charities. (Photo by Ian Forsyth/Getty Images)

Indian young men wearing traditional folk dance “Bhangra” attire of Punjab, sit on see-saws and sip on soft drinks at a park before their performance during the Khalsa College International Folk Festival 2017 in Amritsar, India, 29 November 2017. The festival is aimed to promote cultural ties between India and participating countries. (Photo by Raminder Pal Singh/EPA/EFE)

Unsettled life in Europe failed to change the slow pace of life on the Isle of Capri, off Naples, Italy. Some of the socialites who have come there to relax enjoy an aquatic luncheon serviced in the cool Mediterranean, September 1, 1939. Swimming waiters push out the floating tables bearing meals which include wine and spaghetti. In the background are the rocks of Faraglioni. (Photo by Hamilton Wright/AP Photo)

Kosovo- born British singer and actress Rita Ora performs in Pristina on February 17, 2018 on the occasion of the 10 th anniversary of Kosovo Independence. Kosovo celebrates 10 years since it declared independence, a moment of pride for its ethnic Albanian majority, although sovereignty remains fiercely contested by Serbia. (Photo by Armend Nimani/AFP Photo)

A young evacuee of Japanese ancestry waits with the family baggage before leaving by bus for an assembly center in California, in this April 1942 handout photo. February 19, 2017 marks the 75th anniversary of FDR signing executive order 9066, authorizing the internment of Japanese Americans during World War Two. (Photo by Courtesy Clem Albers/Department of the Interior/War Relocation Authority/National Archives/Reuters)

People enjoy the beach as they look at a forest fire in La Croix-Valmer, near Saint-Tropez, on July 25, 2017. Firefighters battle blazes that have consumed swathes of land in southeastern France for a second day, with one inferno out of control near the chic resort of Saint-Tropez, emergency services say. (Photo by Valery Hache/AFP Photo)