Ключевые слова: april, bio, biology, blue background, body part, care, concept, conceptual, conservation, continent, countries, cutout, day, design, development, drop, earth, echo, ecology, ecosystem, environment, environmental, event, geography, global, globe, graphic, graphic resources, green, hand, horizontal, international, international earth day, international water day, life, map, nature, palm of hand, paper, planet, protect, protection, resource, save, sign, symbol, toilet, vertical, world,