Ключевые слова: air, ash, atmosphere, background, beautiful, black, burn, burning, chemical, chimney, climate, cloud, clouds, danger, dark, dioxide, disaster, ecology, energy, environment, environmental, evening, explosion, factory, flame, fog, fume, gas, global, heat, industrial, industry, landscape, light, mountain, nature, orange, pipe, pollution, red, sky, smog, smoke, steam, sunset, technology, toxic, view, warming, white,