A view of the Lubyanka, the Soviet KGB headquarters and prison in Lubyanka Square, Moscow, 4th May 1963. At this time, British MI6 agent Greville Wynne was being held at the prison before his trial for espionage. On the right is a statue of Felix Dzerzhinsky, founder of the first Soviet state security organization, the Cheka. The statue, known as ‘Iron Felix’, was removed in 1991. (Photo by Popperfoto/Getty Images)