Ключевые слова: abstract, ancient, background, bark, bark texture, birch, birch tree, bough, branch, brown, closeup, color, detail, environment, flora, foliage, forest, green, leaves, lichen, lumber, macro, material, moss, mossy, natural, nature, outdoor, overgrown, pattern, plant, rough, rugged, stem, surface, texture, timber, tree, tree trunk, trunk, twig, vegetation, weathered, wood,