Ключевые слова: air, architecture, atmosphere, background, building, business, chemical, chimney, city, climate, cloud, coal, contamination, damage, dioxide, dirty, ecology, emission, energy, environment, environmental, factory, fuel, fume, gas, global, industrial, landscape, manufacturing, night, oil, pipes, plant, pollution, power, production, refinery, sky, smog, smoke, smokestack, stack, steam, sunset, technology, tower, toxic, warming, white, winter,