Ключевые слова: abstract, aging, annual, bark, biology, brown, circle, circular, concentric, cracked, cracks, cross section, cut, dead, destruction, ecosystem, fireplace, firewood, forest, green, growth, grunge, hardwood, log, lumber, material, natural, nature, no people, old, old tree, pine, plank, ring, rough, round, section, striped, structure, stump, surface, texture, textured, timber, tree, trunk, wood, wooden,