Ключевые слова: america, american, antelope, arizona, bright, canyon, cave, cavern, cluster, colorado, desert, geological, geology, grand, grotto, hill, landmark, landscape, light, lower, luminosity, mountain, nature, navajo, orange, page, panorama, panoramic, ray, red, rock, sand, sandstone, scenery, scenic, shadow, shiny, slot, stage, states, stone, texture, united, upper, usa, utah, valley, wall,