view from the observation deck of the haus des meeres located in the former flak tower. vienna, austria

above aerial apartment architecture attraction austria beautiful bird building centre church city cityscape cloudy deck des downtown europe eye flak flakturm from haus historical house houses landmark landscape mariahilf meeres neighborhood observation old overlook overview panorama panoramic residential road roofs scene scenic sea sightseeing sky skyline street summer the top tourism tourist tower town urban vienna view