Rossauer Kaserne, Headquarters of the Austrian Federal Ministry of Defense, in Vienna, Austria

rossauer kaserne vienna austria aerial view historic building architecture fortress federal ministry city town urban skyline streets roads residential rossau barracks barracks national defense military landmark headquarters official building dolly in crown prince rudolf barracks ministry community heritage armed force facade approach army europe downtown urban landscape traditional architecture historic architecture scenic picturesque cityscape urban planning neighborhood heritage site tower city view aerial shot urban environment fly over