Ключевые слова: aerobic respiration, air, art, artwork, asia, autumnal, bike, blue, bright, china, city, city life, cyclist, day, environment, exercise, forest, fresh, garden, green, holiday, kunming, lawn, leisure, meadow, morning, natural, outdoor, outdoor sports, oxygen, park, parkland, pastime, plants, quiet, recreation, resort, riding, scenery, sculpture, season, sky, sport, sun, tin lam, travel, tree, vacation, weekend, woods, yunnan,