Ключевые слова: adventure, america, arizona, awesome, canyon, cliff, colorado, desert, ecology, edge, epic, erosion, famous, formation, gorge, grand, hiking, landmark, landscape, layer, limestone, majestic, mount, mountain, national, nature, orange, panoramic, park, peak, plateau, red, rim, river, rock, scenery, scenic, south, southwest, space, stone, terrain, travel, united, usa, view, vista, west, wild, wonder,