War and Conflict. Post World War Two. pic: circa 1946. London. German prisoners enjoying a day out at Upton Park to watch West Ham United play Bradford, the men allowed out because of their good behaviour. [Getty Images]

War and Conflict, Post World War Two, pic: circa 1946, London, German prisoners enjoying a day out at Upton Park to watch West Ham United play Bradford, the men allowed out because of their good behaviour (Photo by Popperfoto via Getty Images/Getty Images) — see more

War and Conflict, Post World War Two, pic: circa 1946, London, German prisoners enjoying a day out at Upton Park to watch West Ham United play Bradford, the men allowed out because of their good behaviour (Photo by Popperfoto via Getty Images/Getty Images)