Ключевые слова: background, beautiful, biology, botany, care, clean, climate, collage, concept, conservation, countryside, day, earth, eco, ecology, ecosystem, environment, field, flora, fresh, garden, grass, green, growth, health, lawn, life, lifestyle, meadow, natural, nature, outdoors, outside, park, planet, plant, pollution, protection, purity, recycle, resources, responsibility, safety, save, season, spring, summer, vitality, word, world,