Ключевые слова: background, beautiful, big, city, day, earth, ecology, environment, family, field, forest, garden, grass, green, greenery, health, healthy, lake, land, landscape, lawn, leaves, life, lifestyle, light, lush, meadow, mental, nature, outdoor, outside, park, pavilion, picnic, pond, raintree, refreshing, river, sky, spring, summer, sunlight, sunny, sunshine, swan boat, tree, view, water, watercycle, welfare,