A teenager reacts as she receives a shot of the Sinovac vaccine for COVID-19 during a vaccination campaign at a school in Denpasar, Bali, Indonesia on Monday, July 5, 2021. (Photo by Firdia Lisnawati/AP Photo)

Graduates dance as they take part in a “Last school bell” ceremony at a school in Minsk, Belarus on May 30, 2018. (Photo by Vasily Fedosenko/Reuters)

An Army Sikorsky R-5 helicopter, undergoing record trials, demonstrates its lifting power by carrying 17 persons and pilot aloft as female onlookers wave in Bridgeport, Conn., January 10, 1946. During the tests records were claimed for altitude speed and both altitude and speed with payload. (Photo by Anthony Camerano/AP Photo)

In this December 8, 2020 file photo, Venezuela's President Nicolas Maduro playfully sprays a journalist with disinfectant as he exits a press conference at Miraflores Presidential Palace in Caracas, Venezuela, amid the new coronavirus pandemic. Attorneys for the cash-strapped government blame the impact of U.S. sanctions for its inability to make an initial $18 million down payment to the United Nations for doses of the U.N.-supplied vaccines, whose deadline has already passed. (Photo by Matias Delacroix/AP Photo/File)

Performers are seen as a 90-year old spruce tree cut down in the woods of the Shchyolkovsky District in Moscow Region, Russia on December 16, 2021 is sent to Moscow. The almost 28-metre high tree will be put up at the Moscow Kremlin's Sobornaya (Cathedral) Square this New Year and Christmas. (Photo by Vasily Fedosenko/TASS)

A military helicopter flies over Tel Aviv after lifting off from the Tel Aviv Sourasky Medical Center (Ichilov), amid the ongoing conflict between Israel and the Palestinian Islamist group Hamas, Israel on December 27, 2023. (Photo by Clodagh Kilcoyne/Reuters)

Members of the Pontifical Swiss Guard stand by at St. Peter's Square before Pope Francis delivers his traditional Christmas Day Urbi et Orbi speech to the city and the world from the main balcony of St. Peter's Basilica at the Vatican, December 25, 2021. (Photo by Yara Nardi/Reuters)

Pedestrians wear masks as smoke and haze from bushfires in New South Wales blankets the CBD in Sydney, Australia, 10 December 2019. The New South Wales environment department says visibility across east and southwest Sydney was at a “hazardous” level on Tuesday morning, while air quality was poor in southwest Sydney and hazardous in northwest Sydney. (Photo by Steven Saphore/EPA/EFE)