Ключевые слова: abstract, background, backgrounds, bark, black walnut, brown, circle, closeup, color, cut, decoration, ecology, energy, environment, fire, firewood, fresh, hardwood, history, logging, logs, lumber, material, natural, nature, pattern, pile, pine, ring, round, rural trunk, stack, stacked, texture, tree, trees, typical, use, walnut, winter, wood, wooden,