Teenagers playing with mud started the Bloco da Lama in 1986 and it has since become an annual event in the city of Paraty, Brazil. Hundreds of people wrestle, coat each other in mud and throw it around to the sound of samba and reggaeton at a carnival beach party on February 18, 2023. Clothes are optional, but mud is not. (Photo by Fabio Teixeira/SIPA Press/Profimedia)

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)

Bukayo Saka of England scores their first goal before it is disallowed during the UEFA EURO 2024 group stage match between England and Slovenia at Cologne Stadium on June 25, 2024 in Cologne, Germany. (Photo by Wolfgang Rattay/Reuters)

Tourists are visiting Pingyao Ancient City in Shanxi Province, China, on July 9, 2024. (Photo by Costfoto/NurPhoto/Rex Features/Shutterstock)

Senior company members of the Dance Centre Kenya (DCK) Neema Lazzaroni (C) and Azza Qamar Rollins (R) hold onto each other while following the performance backstage ahead of their roles in The Nutcracker at the Kenya National Theatre in Nairobi on December 7, 2024. The Nutcracker is a beloved Christmas ballet, first performed in 1892, with music by Pyotr Ilyich Tchaikovsky. Known for its enchanting score and festive themes, it has become a holiday tradition worldwide. (Photo by Luis Tato/AFP Photo)

A military cadet refreshes her lipstick before the National Day parade in Bucharest, Romania, Friday, December 1, 2023. Tens of thousands of people turned out in Romania's capital on Friday to watch a military parade that included troops from NATO allies to mark the country's National Day. (Photo by Vadim Ghirda/AP Photo)

Brazilian singer Anitta performs during the “Ensaios de Anitta” show, an event that is part of a pre-carnival tour that makes its way through several Brazilian cities, paying tribute to a samba school in each performance at the Jockey Club of Rio de Janeiro, Brazil, 21 January 2024. Anitta only performs this time of year in her country and said that experiencing a carnival is the best way to get to know the Brazilian people because all the energy of its people is concentrated on a single topic. (Photo by Andre Coelho/EPA/EFE)

English-Albanian singer and songwriter Dua Lipa performs onstage during the 66th GRAMMY Awards on February 04, 2024 in Los Angeles, California. (Photo by John Shearer/Getty Images for The Recording Academy)