Ключевые слова: air, animal, animals, asia, asian, background, backlit, bird, birds, blue, branta, california, canadensis, canadian, china, clean, cloudless, day, flight, flock, fly, flying, flyway, free, freedom, geese, group, hongkong, lake, lands, landscape, life, light, many, migratory, national, natural, nature, outdoor, pacific, refuge, silhouette, sky, sunlit, tule, waterfowl, wild, wilderness, wildlife, wing,