Ключевые слова: air, architecture, background, building, chemical, city, cityscape, cloud, color, dirty, district, earth, earthglobe, ecology, economy, energy, environment, environmental, exterior, factory, fog, french, fumes, global, haze, health, healthy, high, industrial, industry, landscape, mist, plant, polluted, pollution, russia, scenic, sky, skyline, smog, smoke, steam, technology, tower, toxic, urban, view, warming, white, winter,