A man is silhouetted as he stands on a walkway in the sky lobby at the Chancellery, the seat of German Chancellor Angela Merkel (not pictured) in Berlin, May 7, 2014. (Photo by Thomas Peter/Reuters)

People dressed as zombies participate in a parade for World Zombie Day 2016 in London's West End, Britain on October 9, 2016. (Photo by Splash News and Pictures)

Flying actor Welly O’Brien poses for pictures as the Southbank Centre launches Unlimited: The Revelation Festival featuring deaf and disabled artists on July 10, 2012 in London, England. (Photo by Neil Mockford)

A Chinese couple take pictures in an interactive installation art work named “You and Me” on Valentine's Day at 798 Art Zone on February 14, 2012 in Beijing, China. (Photo by Feng Li/Getty Images)

View of an American marine as he lies in a foxhole and whistles at a husky, one of the scouting dogs used during the landing on Guam, August 1944. (Photo by W. Eugene Smith/Time & Life Pictures/Getty Images)

The world-famous sprinter Usain Bolt, 30, took a break from the track to celebrate Carnival as revellers doused each other with paint in Trinidad and Tobago on February 26, 2017. (Photo by David Wears/Splash News and Pictures)

A statue of former U.S. President Donald Trump is pictured at the Conservative Political Action Conference (CPAC) in Orlando, Florida, U.S. February 26, 2021. (Photo by Octavio Jones/Reuters)

A Chinese woman wears traditional dress, or hanfu, as she has her picture taken by friends next to the first blossoms of spring at a park on March 21, 2021 in Beijing, China. (Photo by Kevin Frayer/Getty Images)