Ключевые слова: abstract, america, american, area, background, banner, black, border, cartography, continent, contour, country, delineation, design, doodle, drawing, flat, geography, icon, illinois, illustration, insignia, isolated, line, map, nation, national, north, outline, patriotic, scratch, scribble, sign, silhouette, simple, sketch, state, symbol, territory, texture, topography, tourism, travel, united, united states, us, usa, vintage, world,