Afghan police recruits undergo training at the Afghan Police Academy October 5, 2010 in Kabul, Afghanistan. (Photo by Majid Saeedi/Getty Images)

Street fighting in Berlin between Government troops and Spartacists, during the Spartacist uprising which followed Germany's defeat in World War I. (Photo by Keystone/Getty Images). 1919

Danny McWilliams, 56, is seen at his 36-foot-long replica of Walt Disney movie version of the Nautilus submarine from Jules Verne's “20,000 Leagues Under the Sea” at his rural home in Ellijay, Georgia, USA, 04 December 2013. (Photo by Erik S. Lesser/EPA)

“John Constables's «The Hay Wein» meets «Bender» from «Futurama»”. (Photo and caption by Dave Pollot/Caters News)

Children play with weapons during Children's Day celebration at a military facility in Bangkok, Thailand January 14, 2017. (Photo by Jorge Silva/Reuters)

A female motorcycle cop directs traffic wearing crash helmet, Haywarket Square, Boston, Massachusetts, 1979. (Photo by Spencer Grant/Getty Images)

Elena Reid of USA looks on with bloody face due to a cut during the Women's WIBF Flyweight Championship fight between Regina Halmich and Elena Reid at the Boerderlandhalle on December 3, 2005 in Magdeburg, Germany. (Photo by Christian Fischer/Getty Images)