Ключевые слова: abstract, age, annual, background, bark, brown, circle, circular, closeup, concentric, construction, crack, cross, cut, detail, forest, forestry, growth, history, industry, life, line, log, lumber, macro, material, nature, oak, old, organic, pattern, pine, plank, plant, ring, rough, section, shape, slice, striped, stump, surface, textured, timber, tree, trunk, weathered, wood, wooden, years,