Ключевые слова: air, architecture, background, big, blue, brick, building, business, chimney, city, climate, closeup, cloud, construction, ecology, electric, energy, environment, equipment, exhaust, factory, global, heat, heaven, heavy, high, historic, house, industrial, industry, new, old, outdoors, pipe, plant, pollution, power, ruin, sky, smoke, station, structure, technology, tower, town, urban, warmly, white, work, works,