Ключевые слова: background, bark, beautiful, birch, birch tree, blur, botany, branch, bright, closeup, colours, copy space, crown, day, ecology, environment, environmental, flora, foliage, forest, green, grove, growth, landscape, leaf, light, outdoor, park, plant, rural, russia, scene, season, springtime, stem, summer, sun, sunlight, tree branch, trunk, wood,