Ключевые слова: arid, aridity, arizona, badlands, bardena, bardenas reales, biosphere, castildetierra, chalk, clay, cliff, climate, cloudscape, desert, dry, dryland, eroded, erosion, formation, freedom, geological, geology, gorge, hill, land, landmark, landscape, limestone, navarra, panoramic, plateau, range, reserve, rock, rugged, salt, sandstone, scenery, sightseeing, sky, spain, textured, weather, wilderness,