Ключевые слова: abstract, age, ancient, background, backgrounds, brown, center, circle, circular, concentric, cross, cut, deforestation, detail, environment, forest, golden, hard, history, industry, life, log, lumber, macro, material, mature, middle, natural, nature, oak, old, pattern, ring, rings, round, section, slice, structure, stump, texture, textured, timber, time, tree, trees, trunk, wood, wooden, years, yellow,