Ключевые слова: abstract, architecture, austria, austrian, black, building, cathedral, catholic, church, colorful, decoration, detail, dom, dormer, europe, exterior, famous, geometric, geometry, gothic, green, historical, landmark, lozenge, mosaic, old, ornament, pattern, retro, rhomb, roof, rooftop, saint, st, st stephen, stephen, symmetry, texture, tile, tiles, top, vienna, wien, window, yellow,