Ключевые слова: abstract, africa, america, background, ball, black, business, circle, concept, continent, design, earth, ecology, element, environment, europe, geography, geometric, global, globe, gold, golden, graphic, icon, illustration, international, internet, isolated, land, long, map, modern, natural, nature, network, ocean, planet, plant, round, shadow, sign, simple, space, sphere, symbol, technology, travel, vector, web, world,