Ключевые слова: abstract, africa, america, asia, background, black, business, cartography, circle, collection, concept, continent, country, design, earth, eco, ecology, element, europe, flat, geography, global, globe, graphic, green, icon, illustration, international, internet, isolated, land, map, modern, nature, ocean, orbit, planet, science, set, shape, sign, silhouette, simple, sphere, symbol, travel, web, white, world,