Ключевые слова: background, beautiful, care, close, concept, conservation, day, design, earth, eco, ecology, ecosystem, education, environment, environmental, flora, flower, focus, foliage, geography, globe, grass, green, growth, idea, image, international, land, life, map, natural, nature, nobody, outdoor, peace, planet, plant, preservation, safety, scenic, security, selective, sphere, spring, summer, sun, sunlight, symbol, world, world map,