board military Multilingual table warning zone barbed wire cat escape military zone pet runaway army cold war communism communist DDR East Germany forbidden GDR germany history information iron curtain occupation panel plate sign war addict addiction barb barbed captive caught chain conflict death depressed depression detain enemy fear fence gate hostile hurt imprison internment jail link loneliness lonely no trespassing out overwhelmed prison prisoner razor Restrict sad sharp slave slavery suicidal suicide trap trapped trauma wire wires