U.S. Air Force wounded warrior, Capt. Sarah Evans, jumps rope in a gym in San Antonio, Texas. Evans was diagnosed with cancer while deployed to Afghanistan and was medically evacuated back to the United States where her leg was amputated. (Photo by Master Sgt. Jeffrey Allen/U.S. Air Force)
American model and television personality Kendall Jenner attends the Longchamp 70th Anniversary Celebration at Opera Garnier on September 11, 2018 in Paris, France. (Photo by Dominique Maitre/WWD/Rex Features/Shutterstock)
Friends of Li Guojun drive a homemade tank-shaped vehicle in Kangping county, China. Li, a farmer who is a fan of tanks, spent six months with help from his friends to construct the almost 20-foot vehicle which weighs 2.5 tons. (Photo by Sheng Li/Reuters)
A wide-angle view shows the ascent of the shuttle Challenger on January 28, 1986. In the seconds after ignition, the rocket engines' hot blast began the process of destruction. (Photo by NASA)
Enthusiasts gathered at Cad East in Snowdonia National Park, England to take pictures of F-15 Eagle fighters as they completed the Mach Loop, November 2017. (Photo by Caters News Agency)
Joanne the Scammer (L) and model Amber Rose attend the Amber Rose SlutWalk 2016 at Pershing Square on October 1, 2016 in Los Angeles, California. (Photo by Amanda Edwards/FilmMagic)