Ключевые слова: america, arizona, blue, blue sky, boulder, boulders, canyon, canyon wall, cathedral wash, cliff, cliffs, creek, drainage, federal, glen canyon, glen canyon recreation area, hiking, hiking trail, land formation, landmark, landscape, marble canyon az, national park, national recreation area, natural formation, nature, north america, park, pathway, public, puddle, recreation, rock, rocky, sand, sandstone, sandstone wall, shadow, southwest, stone, sunlight, tourism, trail, travel, travels, usa, wall, walls, wash, water,