Ключевые слова: aerial, aerial view, architecture, blue, blue skies, bridge, building, builing exterior, built structure, castle, city, city landscape, cityscape, color image, consumer, customer, downtown, europe, german, germany, green, heidelberg, hill, horizon, horizontal, illuminated, interior, landmark, landscape, luxury, mediaeval, modern, mountain, nature, office, old, part, perspective, residential, river, roof, rooftop, shopper, sky tower, staircase, store, sun, travel, urban,