Ключевые слова: abstract, aged, background, bark, closeup, creases, durable, endurance, exterior, external, flock, growth, hard, hardy, horizontal, insulate, insulation, irregular, layer, lines, longlasting, longlived, moss, natural, nature, oak, oak tree, old, outer, pattern, peel, protection, rough, solid, stay, surround, texture, textured, thick, thickness, tree, trunk, uneven, vertical, weathered, wood, wrap,