Ключевые слова: abstract, air, background, black, building, business, chimney, city, climate, cloud, construction, dirty, dramatic, dusk, ecology, energy, environment, evening, factory, fuel, global, high, house, industrial, industry, landscape, manufacturing, nature, night, panoramic, pipe, plant, pollution, power, production, silhouette, sky, smog, smoke, stack, steam, sun, sunset, technology, tower, toxic, twilight, urban, warming, zone,