Ключевые слова: 22, activism, april, background, blue, boy, bulb, care, caucasian, celebration, child, children, clean, color, concept, conservation, day, earth, eco, ecology, environment, friendly, girl, global, go, green, growth, hands, holding, holiday, international, kid, lifestyle, light, little, nature, people, person, planet, plant, pollution, prevention, protection, resources, responsibility, save, spring, world,