secret prison for the political prisoners,now a museum,Potsdam,Brandenburg,Germany

- Image ID: BKT1E9
secret prison for the political prisoners,now a museum,Potsdam,Brandenburg,Germany
MARKA / Alamy Stock Photo
Image ID: BKT1E9
secret prison where the government of the GDR before and after the KGB locked up political prisoners,now a museum,Potsdam,Brandenburg,Germany