Secondary school graduates play in a fountain as they celebrate the last day of school, traditionally called the “last bell” in central Kiev, Ukraine on May 31, 2019. (Photo by Valentyn Ogirenko/Reuters)

A woman cries while being escorted by police officers during an anti-government protest in Santiago, Chile, 07 November 2019. A proposed increase in the price of metro fares sparked a series of anti-government protests that have left at least 20 people dead. The protestors are demanding improvements in the quality of healthcare, education and general distribution of wealth in Chile. (Photo by Orlando Barría/EPA/EFE)

Mary Pickford takes a picture of husband Douglas Fairbanks, Sr., who is executing a handstand on the roof of a building on December 19, 1920. (Photo by Bettmann Archive/Getty Images)

A Palestinian man sells corn at Gaza Beach during sunset on August 8, 2021. (Photo by Sameh Rahmi/NurPhoto/Rex Features/Shutterstock)

A butcher blows into the skin of a cow's leg in order to peel it off, on the first market day since the earthquake in Camp Perrin, Haiti, Friday, August 20, 2021, six days after a 7.2 magnitude quake. (Photo by Fernando Llano/AP Photo)

A dog Prince Dudeman stands on the head of Ryan Thor in the annual Surf City Surf Dog event, at Dog Beach in Huntington Beach, Calif., Saturday, September 25, 2021. (Photo by Ringo H.W. Chiu/AP Photo)

A gallery assistant poses by a sculpture entitled “Dark Place” by Australian artist Ron Mueck displayed at Thaddaeus Ropac gallery in London, Britain, October 11, 2021. The exhibition dedicated to Ron Mueck will open to the public from Oct. 12 to Nov. 13 ahead of Frieze Week. (Photo by Matthew Childs/Reuters)

Travellers wait in queue to test for COVID-19 at a train station in Mumbai, India, Tuesday, November 30, 2021. (Photo by Rafiq Maqbool/AP Photo)