Ключевые слова: air, atmosphere, autumn, autumn leaf color, bio, botany, branch, bush, climate, day, daylight, eco, ecological, ecology, ecosystem, environment, environmental conservation, environmentally, fall, foliage, freshness, gold, golden, greenery, growth, hello, leaf, leaf vegetable, light, lush foliage, meteorology, mid, natural, nature, no people, november, october, organic, outdoors, outside, ozone, plant, season, september, sky, time, tree, weather, wood, yellow,