Ключевые слова: african, america, background, ball, blue, business, care, communication, concept, conceptual, connection, continent, earth, eco, ecology, environment, environmental, fingers, future, global, globe, glowing, grass, green, growth, hand, heart, hold, holding, human, isolated, map, nature, network, networking, ocean, people, person, planet, protect, protection, save, sign, space, sphere, symbol, technology, water, world, worldwide,