Ключевые слова: annual, area, arts, balustrade, bochum, bridge, building, business, clouds, culture, disused, economy, engineering, factory, festival, german, germany, grass, handrail, heritage, historical, icon, industrial, industrial site, industry, jahrhunderthalle, lawn, lines, location, lost, meadow, nordrheinwestfalen, old, park, pipe, pipeline, plant, pond, pressure, production, ruhr, ruhrgebiet, steelworks, theater, tower, trucks, tube, tubing, water, west,