Ключевые слова: architecture, bauhaus, black, building, business, coal, coking, color, colorful, culture, dawn, design, dramatic, economy, engineering, escalator, essen, european, famous, germany, hdr, heritage, history, industrial, industry, landmark, mine, mono, night, panorama, plant, production, red, reflection, ruhr, scenic, shaft, sky, stairs, steel, sunrise, sunset, symmetry, tower, unesco, urban, white, work, zeche, zollverein,