Ключевые слова: annual rings, bark, cavity, circle, closeup, cobwebs, dead, decomposing, decomposing wood, dry, empty, environment, environmental, fallen, foliage, forest, green, hole, hollow, hollow tree, inner, insect, inside, log, logs, lumber, lying, moss, natural, nature, nest, old, park, pattern, plant, rot, rotten, rough, stump, timber, tree, trees, trunk, weathered, wild, wilderness, wood, wooden, woodland, woods,