Ключевые слова: abstract, aging, background, bark, brown, circle, closeup, color, concentric, cross, cut, environment, firewood, forest, forestry, industry, life, log, logging, logs, lumber, material, natural, nature, oak, old, pattern, pile, pine, plant, ring, rings, rough, round, section, slice, stack, stacked, stock, stump, surface, texture, textured, timber, tree, trunk, wall, wood, wooden, woodpile,