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)

Militia members march in formation past Tiananmen Square during the military parade marking the 70th founding anniversary of People's Republic of China, on its National Day in Beijing, China on October 1, 2019. (Photo by Thomas Peter/Reuters)

Kacey Musgraves and Gigi Hadid attend the 53nd annual CMA Awards at Bridgestone Arena on November 13, 2019 in Nashville, Tennessee. (Photo by Charles Pulliam/Reuters)

English supermodel Jourdan Dunn wearing Vivienne Westwood for FLANNELS departs The Standard London for this year’s Fashion Awards on December 02, 2019 in London, England. (Photo by David M. Benett/Dave Benett/Getty Images for Flannels)

Soldiers take part in a drill during a heavy snow in Heihe, Heilongjiang province, February 26, 2014. (Photo by Reuters/China Daily)

Sergeant Andrew Garrett watches K-Dog, a bottlenose dolphin attached to Commander Task Unit 55.4.3, leap out of the water while training near the USS Gunston Hall March 18, 2003 in the Persian Gulf. (Photo by U.S. Navy/Getty Images)

A man holds onto a tree by the seashore (possibly along the Shore Parkway Greenway) against severe winds during Hurricane Carol's assault on the Northeastern seaboard, Brooklyn, New York, August 31, 1954. (Photo by Hulton Archive/Getty Images)