kaiserswerth, duesseldorf, panorama of emperor barbarossa`s castle, north rhine-westphalia, germany

ages arches architecture archways banner barbarossa barbarossas basalt bricks building castle completely courtyard day demolished deserted doors doorways düsseldorf duesseldorf emperor europe fortification fortress frederick friedrich germany historic history island kaiserpfalz kaiserswerth landmark lower medieval middle niederrhein nordrhein nortdrheinwestfalen north nrw panorama panoramic pavement paving rainy rhein rheinland rhine rhineland rhinewestphalia river rocks ruin ruined ruins stones summer towers walls well were west western westfalen westphalia windows