The Eiffel Tour-the body language of balance. I came across this group of young adults from Sarajevo, Bosnia, having fun testing their balance two nights ago in on the Esplanade de Trocadero. (Photo and comment by Peter Turnley)

Actress and model Emily Ratajkowski arrives for the 2016 CFDA Fashion Awards in Manhattan, New York, U.S., June 6, 2016. (Photo by Andrew Kelly/Reuters)

Two years ago, Mark Rober was an engineer at NASA’s Jet Propulsion Laboratory in Pasadena, California, part of a team that worked on the Curiosity rover. For Halloween, he strapped an iPad to his chest and another to his back. Then he turned them on and used the devices’ cameras and screens to make it appear as if he had a gaping hole in the middle of his torso. (Photo By Mark Rober)

Kim Kardashian filming scenes for Ocean's Eight in Downtown Los Angeles on March 6, 2017. (Photo by Clint Brewer/Splash News and Pictures)

The Belgian photographer Anton Kusters spent two years photographing the Yakuza, Japan’s most notorious gang. He returned with some amazing images that he made into a book called “Odo Yakuza Tokyo”. (Odo means “the way of the cherry blossom” and is the credo of the Yakuza family he followed. Photo: An erotic danser picks up fake 2-dollar bills during a private dance with a Yakuza customer in a strip tease bar in Kabukicho, a bar which is controlled by the ODO family – 2010. (Photo and caption by Anton Kusters)

Florence Welch of Florence And The Machine performs at Spark Arena on January 30, 2019 in Auckland, New Zealand. (Photo by Dave Simpson/WireImage)

British actress and humanitarian Audrey Hepburn, 1955. Jumpology. (Photo by Philippe Halsman)

Kim Kardashian goes shopping for gummy bears in sheer Gucci bra on October 9, 2017. She paired the risqué outfit with a waist-fitted midi length pencil skirt and clear lucite wedges from Kanye West’s fashion line. (Photo by Splash News and Pictures)