Ключевые слова: abyss, arid, arizona, boulders, burned, canyon, charred, chasm, cliff, cliffs, colorado river, desert, devastated, eroded, erosion, escarpment, forest, geological, geology, gorge, grand canyon, grand canyon national park, hiking, hiking trail, hill, hills, kaibab national forest, landmark, landscape, mesa, mountain, national forest, national park, natural, nature, plateau, precipice, promontory, ravine, rock, rocky, sandstone, stone, tourism, trail, travel, tree, trees, valley, wildfire,