Ключевые слова: architecture, background, beautiful, bridge, building, church steps, city, cityscape, construction, countryside, environment, essen, essenkettwig, famous, flow, germany, green, halftimbered, historic, historical, house, idyllic, kettwig, kirchtreppe, landmark, landscape, nature, north rhinewestphalia, old, old town, outdoor, outdoors, panorama, river, romantic, ruhr, ruhr area, ruhr river, ruhr valley, ruhrgebiet, shore, summer, sunny, tourism, town, travel, urban, vacation, view, water,