Ключевые слова: autumn, birch tree, branch plant part, bulgaria, business finance and industry, change, climate, closeup, day, deciduous tree, environment, forest, grove, growth, idyllic, landscape, leaf, lumber industry, lush foliage, luxuriant, memories, nature, nostalgia, outdoors, perennial, photography, plant, plant bark, scenics nature, season, slim, sofia, thin, tied knot, time, tranquil scene, tree, tree trunk, twig, usa, vertical, wilted plant, woodland, yellow,