Ключевые слова: abstract, amazing, art, autumn, background, beauty, bench, birch, blue, botany, bulgaria, capital, color, colorful, design, different, environment, fall, forest, golden, green, idea, kind, lake, landmark, landscape, leaf, leaves, maple, natural, nature, october, orange, park, people, plant, red, reflection, relax, season, sight, sightseeing, sofia, south, south park, tree, wind, yellow,