Ключевые слова: adventure, attraction, boulder, changing, cliff, deciduous, discover, dramatic, erosion, explore, fall, famous, flora, geological, geology, green, hike, landscape, layers, leaves, mountain, mountains, national park service, natural, nature, orange, place, popular, protected, red, rocks, season, steep, tourism, travel, trees, turning, utah, valley, virgin river, walk, zion national park,