Ключевые слова: baby, background, ball, beautiful, blue, care, child, concept, day, earth, eco, ecology, education, energy, environment, explore, family, friendly, girl, globe, green, hand, happiness, happy, holding, kid, love, map, nature, old, outdoors, people, person, planet, protection, responsibility, science, sky, solar, summer, symbol, think, travel, vacation, world,