Ключевые слова: aging, annual, backgrounds, bark, blank, brown, circle, closeup, concentric, cracked, cross, curve, cutting, dark, day, element, forest, form, growth, hardwood, history, image, industry, irritation, level, life, log, lumber, macro, material, nature, old, part, pattern, plant, process, ring, rough, section, sky, slice, stick, stump, surface, textured, timber, tree, trunk, wood, woodland, years, yellow,