Ключевые слова: abstract, background, bark, block, brown, circle, closeup, color, concentric, cut, dry, ecology, environment, firewood, forest, heap, industry, life, log, lumber, macro, many, material, natural, nature, oak, old, organic, outdoor, pattern, pile, pine, plant, ring, rough, round, rural, rustic, section, stack, stock, structure, stump, surface, texture, timber, tree, trunk, wood, years,