Julius Tower, Spandau Citadel fortress, Berlin, Germany, Europe

architectural architecture bastion bastions berlin building buildings castle castles citadel citadel citadels day daylight daytime during europe european exterior exteriors federal fortification fortifications fortress fortresses frg german germany guard historic julius nobody of outdoor photo photos renaissance republic round seeing shot shots sight sights spandau stronghold strongholds style styles the tower tower towers view views watch watchtower watchtowers worth