Ключевые слова: aachen, abstract, angle, architectural, architecture, bad aachen, below, buildings, built, business, city, cityscape, cloud, concepts, construction, contemporary, cross processed, directly, district, downtown, exterior, facade, feature, fish eye, frame, germany, glass, health resort, home, horizontal, large, life, location, nrw, office, organization, reflection, scene, sky, skyscraper, structure, tall, tower, travel, urban, vanishing, view,