Ключевые слова: america, arid, background, colorado, desert, dry, dunas, dune, dunes, field, great sand dunes, hill, landscape, landscapes, monument, mountains, national, natural, nature, outdoor, parabolic dunes, park, patterns, preserve, reserve, sand, sandpatterns, scenic, sights, sky, southwest, tourism, tourist, travel, trip, united, usa, vacation, wonders, yellow,