Rev. Yeon Ah Lee Moon of the Sanctuary Church holds a gold AR-15 during a ceremony to rededicate marriages at the World Peace and Unification Sanctuary in Newfoundland, Pennsylvania, USA, 28 February 2018. The church, a breakaway from the Unification Church, believes guns are a symbol of the “rod of iron” referenced in the Book of Revelations. (Photo by Jim Lo Scalzo/EPA/EFE)

Students of the General Yermolov Cadet School wait to board an airplane for a parachute jump at an airdrome in the village of Novomaryevskaya outside the southern city of Stavropol, Russia, May 13, 2016. (Photo by Eduard Korniyenko/Reuters)

F/A-18 fighter jet takes off from the USS Harry S. Truman aircraft carrier in the eastern Mediterranean Sea June 13, 2016. (Photo by Baz Ratner/Reuters)

Festival goers arrive for the Glastonbury festival at Worthy Farm, in Somerset, England, Thursday, June 23, 2016. (Photo by Guy Bell/Rex Features/Shutterstock)

A tourist poses on the glass-bottom bridge at Zhangjiajie Grand Canyon on August 20, 2016 in Zhangjiajie, Hunan Province of China. The Zhangjiajie Grand Canyon's glass-bottomed bridge welcame its trial operation on Saturday and about 8,000 tourists crowded to view the grand glass bridge. (Photo by VCG/VCG via Getty Images)

Riot police fire tear gas during a protest by supporters of Dilma Rousseff in Sao Paulo, Brazil August 31, 2016. (Photo by Paulo Whitaker/Reuters)

A model's make up picture is stuck to a mirror backstage during the Autumn/Winter Madrid's Mercedes Benz Fashion Week, in Madrid, Wednesday, February 1, 2012. (Photo by Daniel Ochoa de Olza/AP Photo)

Female porters carry a holy woman belonging to the Jain community through a street to collect food from local residents living in nearby areas, during early morning in the western Indian city of Ahmedabad December 19, 2014. (Photo by Amit Dave/Reuters)