Ключевые слова: abstract, abstract backgrounds, aging process, annual, backgrounds, beauty in nature, brown, brown background, carpentry, circle, closeup, colored background, cross section, design, firewood, forest, hardwood, history, knotted wood, log, lumber industry, material, nail, nature, no people, oak tree, part of, pattern, photography themes, pine tree, pine wood, plant, spruce tree, textured, textured effect, time, tree, tree ring, tree stump, tree trunk, weathered, wood material, wood grain, wood stain, woodland,