People participate in a pillow fight to mark International Pillow Fight Day in the Heroes' Square, in central Budapest, Hungary, Saturday, April 2, 2016. The Pillow Fight Day attracts tens of thousands people in more than 100 cities all over the World each year. ((Photo by Zoltan Balogh/MTI via AP Photo)

A woman walks past a mural on a wall along a street in Singapore on February 17, 2021. (Photo by Roslan Rahman/AFP Photo)

A man walks past a mural depicting US actors John Travolta and Samuel L. Jackson holding thermometers instead of guns amid the Covid-19 pandemic, in Tel Aviv on March 1, 2021. (Photo by Emmanuel Dunand/AFP Photo)

A participant flies a kite during the “Letatlin N4” annual Festival of Kites, in Moscow, Russia on June 6, 2021. (Photo by Dimitar Dilkoff/AFP Photo)

A model presents a creation during the Vivienne Westwood catwalk show at London Fashion Week Women's A/W19 in London, Britain February 17, 2019. (Photo by Henry Nicholls/Reuters)

The Invasion. A quiet street in Macau. Modernization around is quickly changing the city, as documented by Paul Tsui. (Photo by Paul Tsui/National Geographic Travel Photographer of the Year Contest)

A police officer stands at a police cordon near the scene of a terror attack in London, U.K., on Sunday, June 4, 2017. A van swerved into Saturday-night crowds on London Bridge, before three men got out and went on a stabbing rampage through nearby bars. (Photo by Luke MacGregor/Bloomberg)

A Sumatran Tiger looks at visiting children from it's enclosure during the ZSL London Zoo's annual stocktake of animals on January 5, 2015 in London, England. The zoo's annual stocktake requires keepers to check on the numbers of every one of the 800 different animal species, including every invertebrate, bird, fish, mammal, reptile, and amphibian. (Photo by Dan Kitwood/Getty Images)