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)

Two railway workers chat in front of a flower mural inside a subway station visited by foreign reporters during a government organised tour in Pyongyang, North Korea October 9, 2015. (Photo by Damir Sagolj/Reuters)

In this Thursday, April 11, 2013 photo, North Korean female soldiers stand watch on the river bank of the North Korean town of Sinuiju, opposite to the Chinese border city of Dandong. (Photo by AP Photo)

A little girl stands next to a painted buffalo during the “Buffalo Painting” contest that is part of the Tich Dien festival in Ha Nam province, Vietnam, 10 February 2019. Artists from all over the country have gathered for the festival which attracts thousand of residents and visitors. Tich Dien festival features the importance of agriculture and the role of farmers in the vietnamese society and contributes to preserving the local cultural values. (Photo by Luong Thai Linh/EPA/EFE)

Brazilian navy soldiers watch a woman as they patrol the area at the Copacabana Beach before carnival festivities in Rio de Janeiro, Brazil February 14, 2017. (Photo by Sergio Moraes/Reuters)

People cool off at Crown Fountain in Millennium Park as temperatures reached a record high of 97 degrees Fahrenheit on June 17, 2024 in Chicago, Illinois. Temperatures in the city are expected to reach highs in the 90s for the remainder of the week. (Photo by Scott Olson/Getty Images)

British reality TV personality Scotty T (Scott Timlin) partied at the Aruba Nightlcub in Redcar, England last night, June 11, 2018 and fans couldn't wait to see his new Tattoo. Scotty just whipped down his kegs and showed anyone who asked, with a queue of 200 girls it was quite a night. One girl asking to kiss his bottom whilst most just wanted a glimpse of his new Stephen Bear Tattoo. (Photo by Blackburn/Backgrid)

People view the sunrise scene at the Bund in Shanghai, east China, January 1, 2017. (Photo by Wang Hechun/Xinhua/Barcroft Images)