Ключевые слова: area, awe, background, beautiful, beauty, branch, branches, breathtaking, dry, field, forest, geological, grass, green, hot, landscape, layer, leaves, limestone, majestic, mountain, national park, natural, nature, outdoor, park, parks, peaceful, plains, preserve, rock, rocks, rocky, scenery, scenic, spring, travel, tree, trees, usa, wild, wilderness, wood, woodland, woods, wy, wyoming, yellowstone, yellowstone national park, yellowstone np,