Ключевые слова: air, architecture, atmosphere, building, chemical, chimney, climate, co2, color, contamination, damage, dioxide, dirty, dramatic, dusk, ecology, emission, energy, environment, environmental, exhaust, factory, fuel, gas, global, industrial, industry, oil, pipe, plant, pollution, power, silhouette, sky, smoke, station, steam, sunlight, sunrise, sunset, technology, tower, toxic, twilight, urban, warming, yellow,