A prong extending from a remote-controlled robot prototype approaches the mouth of a volunteer to extract a throat swab sample, as part of a self-funded project to assist physicians in running tests on suspected COVID-19 coronavirus patients in a bid to limit human exposure to disease-carriers, at a private hospital in Egypt's Nile delta city of Tanta, on March 20, 2021. (Photo by Khaled Desouki/AFP Photo)

United States Air Force Academy graduates cheer as the United States Air Force Thunderbirds fly over the graduation for the Class of 2021 at Falcon Stadium on May 26, 2021 in Colorado Springs, Colorado. Chairman of the Joint Chiefs of Staff General Mark A. Milley gave the commencement address to the 1,019 graduates from the academy. (Photo by Michael Ciaglo/Getty Images)

A woman uses a plastic bad to protect her head amid snowfall in Beijing, China on December 14, 2023. (Photo by Tingshu Wang/Reuters)

A supporter of presidential candidate and former chairman of the NATO Military Committee and Czech Army General Petr Pavel hands out leaflets, ahead of a direct presidential election that will start on January 13, in Prague, Czech Republic on January 5, 2023. (Photo by David W. Cerny/Reuters)

General view of festival goers at the main stage on Day 3 of Download festival at Donnington Park on June 12, 2022 in Donnington, England. (Photo by Chris Bethell/The Guardian)

MotoGP Ducati Lenovo Team rider Marc Marquez (R) of Spain and his girlfriend Gemma Pinto (L) celebrate his World Champion 2025 title after the race at the Motorcycling Grand Prix of Japan in Motegi, Tochigi Prefecture, northeastern Japan, 28 September 2025. (Photo by Franck Robichon/EPA)

Female members of the Chinese People's Liberation Army (PLA) honour guard stand behind a string to ensure that they are in a straight line before a welcoming ceremony for Russian President Vladimir Putin outside the Great Hall of the People in Beijing, China, June 25, 2016. (Photo by Kim Kyung-Hoon/Reuters)

A Sadhu or a Hindu holy man offers prayers while sitting inside a circle of burning “Upale” (or dried cow dung cakes) on the occasion to mark the Basant or spring festival, on the banks of river Ganga in the northern Indian city of Allahabad January 24, 2015. Basant is celebrated mainly in the northern Indian states marking the start of the spring season. (Photo by Jitendra Prakash/Reuters)