Ключевые слова: 19th century, aged, ambivalence, antique, architectural, architecture, art, art nouveau, artnouveau, building, city, cologne, concept, creativity, culture, decorated, decoration, detail, dissimilar, district, double, ehrenfeld, facade, german, historic, historic building, historical, history, house, nineteenth century, nobody, old, old fashioned, opposite, ornamental, outdoors, pastel colored, reciprocal, residential, restoration, restored, reverse, structure, style, tourism, town, travel, urban, window,