Ключевые слова: abstract, cloud, clouds, cloudscape, cloudy, cumulo nimbus, dark, darken, dense, firmament, foreboding, gloomy, gray, heavens, heavy, landscape, leaden, lurid sky, luridsky, mood, nature, nimbus, ominous, overcast, rainy, sinister, sky, skyspace, storm, stormy, thunder, thunderclouds, thunderstorm, upperregions, welkin,