Ключевые слова: 50, abstract, america, app, area, art, atlas, borders, california, cartography, clip art, color, concept, contour, country, design, drawing, element, emblem, europe, flat, geography, graphic, icon, illustration, international, isolated, land, language, line, location, map, nation, north, outline, pictogram, political, region, shape, silhouette, simple, state, template, territory, travel, united, usa, web, world,