A South African police officer speaks to residents of the densely populated Alexandra township east of Johannesburg Friday, March 27, 2020. (Photo by Jerome Delay/AP Photo)

A four-legged robot dog called SPOT patrols a park as it undergoes testing to be deployed as a safe distancing ambassador, following the coronavirus disease (COVID-19) outbreak, in Singapore on May 8, 2020. (Photo by Edgar Su/Reuters)

Wang Shang-chi, 75, a mobile hats vender, rides his bike on a parking lot next to the Taipei City Zoo on July 9, 2020. (Photo by Sam Yeh/AFP Photo)

Commuters wear protective face masks as they walk through a subway station, in Sao Paulo, Brazil, Wednesday, December 1, 2021, amid the COVID-19 pandemic. Brazil joined the widening circle of countries to report cases of the omicron variant. (Photo by Andre Penner/AP Photo)

Denmark's Katrine Veje, left, is comforted by Australia's Charlotte Grant, right, after the Women's World Cup round of 16 soccer match between Australia and Denmark at Stadium Australia in Sydney, Australia, Monday, August 7, 2023. (Photo by Rick Rycroft/AP Photo)

Children play among foaming bubbles that form an artwork by Roger Hiorns entitled A Retrospective View of the Pathway, at the Yorkshire Sculpture Park near Wakefield, UK on August 16, 2023. (Photo by James Glossop/The Times)

Vendor Nyurgusun Starostina, 47, poses for a picture at an open-air market on a frosty day in Yakutsk, Russia, December 5, 2023. Temperatures in parts of the Sakha Republic, also known as Yakutia and located in the northeastern part of Siberia, went below minus 50 degrees Celsius (minus 58 degrees Fahrenheit) on December 5. (Photo by Roman Kutukov/Reuters)

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)