Citadel, Festung Juelich fortress, North Rhine-Westphalia, Germany, Europe

architecture bastion bastions building buildings castle castles citadel citadel citadels day daylight daytime during europe european exterior exteriors federal festung fortification fortifications fortress fortresses frg german germany juelich nobody north nrw of outdoor photo photos republic rhine rhine westphalia rhine westphalian shot shots stronghold strongholds the view views wall walls westphalia westphalian