rock forming a natural window

Keywords:

cliffs, nature`s, window, rock, formation, mountains, canyon, arizona, america, beauty, american, desert, environment, erosion, geology, grand, granite, huge, landmarks, landscape, layers, national, scenic, southwest, stone, united, states, vacation, valley, amazing, buttes, geological, natural, nature, strata, stratum, non, urban, scene, remote, area, barren, dry, outdoors, day, photography, color, image, arc, arch,