Three prostitutes lean out of a window in Santiago, Chile, in an attempt to entice customers inside, circa 1950. (Photo by Three Lions/Getty Images)

A man walks past specially designed wash basins in a public toilet at the Foreigners Street on April 26, 2007 in Chongqing Municipality, China. (Photo by China Photos/Getty Images)

A Tibetan woman displays her Qing Dynasty family dress in Zhailong Village on April 24, 2005 in Danba County of Ganzi Tibetan Autonomous Prefecture, Sichuan Province, China. (Photo by China Photos/Getty Images)

A sculpture is displayed at the Olympic Sculptures Exhibition at the Sculpture Park September 4, 2006 in Changchun of Jilin Province, China. (Photo by China Photos/Getty Images)

Kim Kardashian is seen on June 27, 2014 in New York City. (Photo by Alessio Botticelli/GC Images)

The tempestuous stellar nursery called the Carina Nebula, located 7,500 light-years away from Earth in the southern constellation Carina. (Photo by Reuters/NASA)

A competitor shows her tattoos at the MBK Tattoo Contest in a shopping mall in Bangkok October 23, 2014. (Photo by Athit Perawongmetha/Reuters)

The Yakutat Glacier is seen during a flight over southeastern Alaska near the town of Yakutat, October 7, 2014. (Photo by Bob Strong/Reuters)