Ключевые слова: abstract, art, background, beauty, bench, birch, blue, botany, bulgaria, capital, color, colorful, design, different, environment, flower, forest, fountain, golden, green, idea, kind, lake, landmark, leaf, leaves, maple, nature, orange, park, plant, red, reflection, relax, road, season, sight, sightseeing, sofia, south, south park, spring, tree, white, wind, yellow,