A fan dressed as “Loki” poses before the European premiere of “Avengers: Age of Ultron” at Westfield shopping centre in Shepherds Bush, London April 21, 2015. (Photo by Stefan Wermuth/Reuters)

Wolfgang (L), member of World War One historical association “Darstellungsgruppe Suddeutsches Militar 1870-1918” (DSM 18), from Munich, Germany, and Florent, member of French association “Le Poilu de la Marne”, dressed in vintage army uniforms, visit the Bezonvaux bunker in the national forest of Verdun, eastern France, March 29, 2014. Members of French and German historical associations, who gather annually, together visited the battlefield of Verdun in France, the site of a bloody World War One battle that dragged on for around 10 months in 1916, claiming hundreds of thousands of lives and destroying many villages. (Photo by Charles Platiau/Reuters)

A traffic policewoman shows her ink-stained fingers after casting her ballot at a polling station, during early voting for the parliamentary election in the northern Iraqi province of Dohuk, April 28, 2014. Iraq will be holding its national elections on April 30. (Photo by Ari Jala/Reuters)

“Sorpresa” the clown poses for a picture during a march commemorating Peruvian clown day in Lima Peru, Monday, May 25, 2015. Hundreds of professional clowns dressed in colorful costumes, wigs and face paint marched through the streets of Lima to celebrate Peruvian Clown Day. (Photo by Rodrigo Abd/AP Photo)

A cosplay enthusiast poses as Serasu Vikutoria of the Hellsing anime series during the “Anime Friends” annual event in Sao Paulo July 19, 2015. Anime Friends is one of Brazil's biggest events related to anime, manga and Japanese culture. (Photo by Nacho Doce/Reuters)

Battle-weary American troops withdraw from Yong San in Korea. (Photo by Keystone/Getty Images). 1950

Alfred Hitchcock (1899 – 1980) in front of a caricature of his profile at a press reception in London for his new film “Frenzy”. (Photo by Central Press/Getty Images). 24th May 1972

An artist performs in water during a dress rehearsal for “Amaluna”, a show by Cirque du Soleil, at the Royal Albert Hall in London, Britain January 15, 2016. (Photo by Dylan Martinez/Reuters)