Ключевые слова: abstract, aqua, background, black, care, clean, clear, concept, conservation, design, drink, drop, droplet, earth, eco, ecological, ecology, element, energy, environment, environmental, fresh, global, globe, gold, golden, graphic, icon, illustration, isolated, life, liquid, map, natural, nature, ocean, planet, protection, purity, rain, recycling, save, sea, sign, silver, sphere, symbol, water, world,