Ключевые слова: 3d, abstract, administration, america, continent, contour, country, diagonal, dot is, governance, government, gray, grey, ground, iceland, land, lincoln, map, mosaic, nebraska, of linear, omaha, outline, pattern, perspective, polity, polygon, polygonal, reign, rule, savor, savour, shade, shadow, silver, slant, soil, spotebitel, state, transverse, travel, triangular, trip, united states, vacation, world,