Ключевые слова: ancient, beige, brown, canyon, clay, cliffs, cream, desert, earth, earthy, environment, erosion, formations, geological, geology, geomorphology, grand, landforms, landscape, layers, lines, mineralogy, minerals, monumental, mountains, natural, nature, outdoors, paleontology, pattern, phenomena, ridge, rock, rockface, sandstone, sediment, sedimentary, sedimentation, soil, strata, stratification, stratum, stripes, structure, tan, terrain, texture, tigerstripped, undulating, weathering,