Commemorating and preserving the history of Oflag 64 POWs in Szubin, PolandCommemorating and preserving the history of Oflag 64 POWs in Szubin, PolandCommemorating and preserving the history of Oflag 64 POWs in Szubin, PolandCommemorating and preserving the history of Oflag 64 POWs in Szubin, Poland