Ключевые слова: autumn, background, beautiful, beauty, cloud, clouds, cloudy, dark, dusk, environment, europe, fog, forest, green, green hills, hiking, hill, hills, landscape, mist, mountain, mountains, national, natural, nature, nature landscape, outdoor, rocks, rudnik, scenery, scenic, serbia, sky, slopes, stormy, tourism, tranquility, travel, trees, valley, vegetation, view, wood,