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)

Andrej Ciesielski dangels his legs off the side of a building overlooking Times Square, New York City. (Photo by Andrej Ciesielski/Caters News Agency)

School leavers celebrate their graduation in Moscow's Red Square in Moscow, Russia on June 20, 2019. (Photo by Artyom Geodakyan/TASS)

A Dead Leaf butterfly (Kallima inachu formosana, also called Orange Oakleaf Butterfly) rests on a tree trunk at the Taipei Zoo in Taipei, Tawian, 03 August 2019. Dead Leaf butterfly can be found in Tropical Asia from India to Japan. When its wings close, it resembles a dead leaf, providing camouflage against predators including birds, ants, spiders and wasps. (Photo by David Chang/EPA/EFE)

An AI Gamer “Q56” robot plays a video game during a demonstration at the Bandai Namco Holdings Inc. booth at the Combined Exhibition of Advanced Technologies in Chiba, Japan on October 16, 2019. (Photo by Kiyoshi Ota/Bloomberg)

Christopher Wheeldon’s Alice’s Adventures in Wonderland is the biggest production the Australian Ballet has ever undertaken and it’s also one of the most spectacular. Created for the Royal Ballet and designed by Bob Crowley, it involves puppetry, optical illusions, major setpieces and immersive projections, as well as costumes that some dancers have to actually climb into. Here: Ako Kondo as Alice, on stage September 11, 2017 in Melbourne, Australia. (Photo by Jeff Busby/The Guardian)

A suspected Vietcong is kicked by a Vietnamese soldier holding a rifle as another soldier attempts to tie his hands on October 22, 1965. The prisoner was one of 15 captured October 21 near Xom Chua when government troops raided in the plain of reeds area. Troops killed 43 suspected Vietcong and seized some arms. (Photo by Richard Merron/AP Photo)

Chieftain Japarupi Waiapi shows a roasted monkey -part of Waiapi's diet, also based in Manioc and fruits- at the reserve in Amapa state in Brazil on October 13, 2017. When Waiapis walks into the Amazon forest surrounding their village, they do not see trees, but a kind of shopping mall providing medicine, food, shelter, tools and weapons all under the eye of multiple spirits. (Photo by Apu Gomes/AFP Photo)