Ключевые слова: abstract, background, beauty, blooming, blossoms, botany, bright, bulgaria, bush, capital, city, cityscape, color, colorful, environment, europe, flowers, forest, green, lake, leaf, leaves, nature, outdoors, plant, reflection, relax, relaxing, river, scene, scenic, season, sight, sightseeing, skyline, sofia, spring, sunlight, sunshine, tranquil, travel, tree, vibrant, walkway, wind,