Ключевые слова: autumn, background, book, brown, caduceus, cold, cover, cycles, deciduous, ecology, ecosystem, environment, faded, fall, forest, fresh, freshness, green, leaves, life, meditation, melancholy, moss, natural, nature, nostalgic, photograph, planet, protection, root, sad, season, seasonal, soil, sustainability, tree, trunk, wallpaper, wet, woods, zen,