Ключевые слова: autumn, background, beautiful, bulgaria, carna gora, cherna gora, color, colorful, day, decoration, design, destination, environment, europe, fall, forest, grass, green, ground, landscape, leaf, light, medieval, monte negro, mountain, natural, nature, october, outdoor, panorama, park, peak, pernik, pernik region, plant, road, scene, scenic, season, sunlight, sunny, tourism, travel, tree, vacation, vivid, yellow,