Nazi dictator Adolf Hitler greets supporters at a May Day gathering in the Olympic Stadium, Berlin. (Photo by Keystone). 1st May 1938

Three Chinese soldiers at the time of a civil war in China. (Photo by General Photographic Agency/Getty Images). 1922

In this December 18, 2013 photo released by Six Flags Discovery Kingdom, 32 men dressed as Santa Claus ride the 150-foot tall SkyScreamer tower swing ride at Six Flags Discovery Kingdom in Vallejo, Calif. (Photo by Jason Quintos/AP Photo/Six Flags Discovery Kingdom)

A tow car for the children's “Grand Prix” races which take place in a parking lot in Livonia, Michigan a suburb of Detroit, circa 1955. (Photo by Three Lions/Getty Images)

Paris-born Polish film maker, Roman Polanski. (Photo by James Jackson/Evening Standard/Getty Images). January 1969

Crashed cars in Finchley Road, north London. (Photo by Hulton Archive/Getty Images). May 1924

A bulldog named Munch, left, and a puppy named Dominique attend a news conference at the American Kennel Club in New York, Wednesday, January 30, 2013. The club announced their list of the most popular dog breeds in 2012 where the bulldog takes the fifth place spot from the Yorkshire terrier. (Photo by Seth Wenig/AP Photo)

Models of Cold War-era Allied (L) and Soviet Bloc weaponry face one another at the new Bundeswehr Military History Museum (Militaerhistorisches Museum der Bundeswehr, or MHM) on October 11, 2011 in Dresden, Germany. The museum, redesigned by star architect Daniel Libeskind, traces Germany military history from 1300 to the present, including during the Nazi period and the Cold War, and also examines the influence of the military on popular culture. (Photo by Sean Gallup/Getty Images)