British troops look back at the French coast from the deck of a steamer which is taking them back to England after the evacuation of Dunkirk, June 1940. (Photo by Keystone/Hulton Archive/Getty Images)
British troops look back at the French coast from the deck of a steamer which is taking them back to England after the evacuation of Dunkirk, June 1940. (Photo by Keystone/Hulton Archive/Getty Images)