U.S. singer Katy Perry slips on the icing of a giant cake that she had jumped onto as part of her performance at the MTV Latin America Awards in Guadalajara, in this October 16, 2008 file photo. (Photo by Daniel Aguilar/Reuters)

A zookeeper feeds a hippopotamus with a watermelon in its enclosure in Belgrade's zoo, Serbia, July 20, 2015. Temperatures in Serbia have risen up to 40 degrees Celsius (104 degrees Fahrenheit), according to official meteorological data. (Photo by Marko Djurica/Reuters)

A model walks the runway at the Hakaan Spring Summer 2012 fashion show during Paris Fashion Week on October 4, 2011 in Paris, France. (Photo by Nathalie Lagneau/Catwalking/Getty Images)

A stay-at-home mom's surreal iPhone snaps of her children have seen her rack up more than a half-million Instagram fans. Ali Jardine, 42, photographs silhouettes of her two kids in fairy-tale environments, from a spiraling night sky to sunsets. The creative mom has gained more than 519,000 followers online since she got her first iPhone in November 2010. And due to her success, Ali, who is from Petaluma, Calif., has been able to monetize her work, helping the likes of HP and Samsung with Instagram campaigns. Here: a girl on a swing in the sky. (Photo by Ali Jardine/Caters News)

A boy plays in a swollen creek under a bridge in Manila on October 16, 2016. Typhoon Sarika lashed the main Philippine island of Luzon on October 16, flattening homes and toppling trees and power pylons as more than 12,000 people fled to safer ground, officials said. Shanties built beside a river, under a creek are the usual victims of floodings. (Photo by Noel Celis/AFP Photo)

A Hindu holy man, or sadhu, smokes marijuana in a chillum at the premises of Pashupatinath Temple, ahead of the Shivaratri festival in Kathmandu, Nepal February 15, 2017. (Photo by Navesh Chitrakar/Reuters)

A workman sweeping the highest sidewalk in the world, the 81st story of the Empire State Building, the world's tallest building, to the top of which the greatest dirigible “Los Angeles” will attempt to moor, New York, New York, early 1930s. This photo was made 1,248 feet above street level. (Photo by Adam Glickman/Underwood Archives/Getty Images)

Pride rally 2017 on fifth avenue in Manhattan, New York, June 25, 2017. Thouands cheered as members of LGBT community danced and marched under a bright summer sun. Many participants carried political themed signs as President Trump's adminstration has angered some in the LGBT community. (Photo by R. Umar Abbasi)