Constanza Mena poses for a photo during a red-nosed walk organized by the Flying Laughter clown group amid the new coronavirus pandemic, in downtown Santiago, Chile, Wednesday, April 28, 2021. The group aims to show that people do not lose the right to play and have fun in the street while pandemic protective measures are in effect. (Photo by Esteban Felix/AP Photo)

People visit a frozen waterfall illuminated by colorful lights at Dadunxia sceneic area on December 25, 2022 in Linxia Hui Autonomous Prefecture, Gansu Province of China. (Photo by Shi Youdong/VCG via Getty Images)

This family of warthogs regularly visited our campsite in the Ethiopian highlands so I set up a remote camera with a wide-angle lens to photograph them as they rummaged around for food. They just had a mud bath. (Photo by Will Burrard-Lucas/Caters News Agency)

Brazilian Tapir Tique is treated to a nice cold shower by the zoo keeper at Taronga Zoo on January 8, 2013 in Sydney, Australia. Temperatures are expected to reach as high as 43 degrees around Sydney today. (Photo by Marianna Massey)

New York City policemen tangled with demonstrators at a subway station on the opening day of the New York World's Fair, April 22, 1964. Youths attempted to stall the train, which was headed from the city to the fairgrounds, as a form of protest on behalf of civil rights for blacks. (Photo by Charles Gorry/AP Photo)

Mirlene Verdieu watches television as she rests in a room at the Hospital of the State University of Haiti, which is one of the centers affected by a three-month-long strike by health workers demanding a pay rise and resources, in Port-au-Prince, Haiti, June 20, 2016. (Photo by Andres Martinez Casares/Reuters)

A curious leopard cub toys with a camera at MalaMala Game Reserve in Mpumalanga Province, South Africa. (Photo by Barcroft Media)

A woman carries her child, both wearing traditional red clothes celebrating the Chinese Lunar New Year in Bangkok February 19, 2015. (Photo by Damir Sagolj/Reuters)