Ключевые слова: abstract, america, background, blue, business, color, concept, conceptual, continental, continents, earth, environment, environmental, fingers, global, globe, green, gripping, hand, help, hold, hope, human, international, internet, isolated, map, men, middle, nature, object, palm, people, planet, protect, protection, recycle, save, science, security, sign, sphere, technology, touch, universe, warming, white, world,