Former Defensionskaserne barracks, Festung Petersberg fortress, Erfurt, Thuringia, Germany, Europe

architecture army barracks building buildings day daylight daytime defensionskaserne during east eastern erfurt erstwhile europe european exterior exteriors federal festung former former formerly fortification fortifications fortress fortresses frg german germany in military nobody of once one one time outdoor past petersberg photo photos republic shot shots stronghold strongholds the thuringia thuringian time times