Two women lighting cigarettes on a tennis court in Essex, England circa 1930's. (Photo by Keystone View/FPG/Getty Images)

Smithfield meat porters march on the Home Office, bearing a petition which calls for an end to all immigration into Britain, 25th August 1972. (Photo by Keystone/Hulton Archive/Getty Images)

A Russian prisoner eating bread. (Photo by Hulton Archive/Getty Images). Finland, circa 1940

Two dogs sent into outer space by the Soviet Union after their safe return to earth. They spent 22 days in orbit. (Photo by Central Press/Getty Images). 22nd March 1966

A new type of tandem at Alexandra Palace, London. (Photo by Fox Photos/Getty Images). June 1936

Soviet cosmonaut and the first man to travel in space, Yury Alekseyvich Gagarin (1934–1968) arriving in London for a Russian trade fair. (Photo by Douglas Miller/Getty Images)

British South American Airways hostess Mary Guthrie with a pair of pineapples, on the return of the Lancastrian airliner 'Star Dust' to Heathrow Airport after a test-flight to Buenos Aires, 15th January 1946

Dutch collaborators under arrest at Nijmegan, Holland. They were rounded up after the capture of Nijmegan Bridge by the Allies. (Photo by H. Warhurst/PNA Rota/Getty Images). 1945