Ключевые слова: abstract, aging process, background, bark, beauty in nature, biology, botany, brown, cracked, detail, environment, forest, fungi, fungus, gray, green, green color, growth, humidity, lichen, macro, magnification, natural pattern, nature, old, outdoors, pattern, plant, plant bark, rough, surface, texture, textured, tree, tree trunk, tropical climate, trunk, white, wood, woodland,