Ключевые слова: abstract, aging, background, bark, brown, circle, closeup, concentric, construction, crack, cut, deforestation, design, detail, ecology, energy, environment, firewood, forest, forestry, fuel, hardwood, heap, industry, log, logging, lumber, material, natural, nature, outdoors, pattern, pile, pine, raw, resource, round, rural, stack, stacked, storage, texture, timber, tree, trees, trunk, wood, wooden, woodpile, years,