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)

Cloud inversion taken at Sunrise in Mam Tor, Derbyshire, UK on August 30, 2016. (Photo by David Zdanowicz/REX Shutterstock)

Vitalii Sediuk (L) jumps on singer Justin Timberlake as he arrives to attend the Louis Vuitton Womenswear Spring/Summer 2020 show as part of Paris Fashion Week on October 01, 2019 in Paris, France. (Photo by David Fisher/Rex Features/Shutterstock)

The Duchess of Cambridge joins Family Action at a Christmas Tree Farm to mark her new patronage, in Great Missenden, Buckinghamshire, UK, on the 4th December 2019. (Photo by James Whatling/The Mega Agency)

This photo taken on December 2, 2015 shows a lenticular cloud forming as white streaks from airplanes mark the blue sky, in a rare atmospheric phenomena above the town of Gevgelija on December 2, 2015. Lenticular clouds have been regularly confused for UFOs throughout history due to the their smooth, round or oval lens-shaped structure. (Photo by Armend Nimani/AFP Photo)

Yolanda Sutter dresses up her dog Star to show their support for Democratic presidential candidate Mike Bloomberg at the Viva Villa restaurant in San Antonio, Texas on January 11, 2020. Democratic presidential candidate Mike Bloomberg kicks off his Texas bus tour. (Photo by Mark Felix/AFP Photo)

The comet Neowise, or C/2020 F3, is seen in the evening sky above the artwork titled: “Seven Magic Mountains” by artist Ugo Rondinone, Thursday, July 16, 2020, near Jean, Nev., south of Las Vegas. (Photo by John Locher/AP Photo)

A woman tries to take selfie photos in front of a photo spot featuring Christmas season scene and masks at Tokyo Mask Land, a face-mask theme exhibition and its speciality shop, amid the coronavirus disease (COVID-19) outbreak, in Yokohama, Japan on December 1, 2020. (Photo by Issei Kato/Reuters)