Ключевые слова: abstract, air, backdrop, background, black, blur, bw, chemical, cloud, dark, defocused, dry ice, effect, empty space, exhaust, floating, flow, fog, fume, fume flow, gas, ghost, gray, haze, humidifier, mist, night, nobody, overlay, pollution, poster, puff, smog, smoke, spreading, steam, swirl, texture, transparent, vapor, vapor wave, wallpaper, wave, white,