ruins of old military east prussian air hangars from the second world war on the vistula spit,

air architectural architecture baltic bastille brick building castle citadel cityscape complex defence destroyed east europe european facade famous fort fortification fortress german germany gothic hangars historic historical history interest kaliningrad koenigsberg konigsberg königsberg landmark landscape military museum neo now oblast old place prussia prussian region remain roof ruin ruins russia scenery second sightseeing spit tourism tower travel victory vintage vistula war world