Ключевые слова: blue sky, canyon, canyon village, cliffs, clouds, colorful, forest, geology, grand canyon of the yellowstone, landscape, lower falls, mountains, national park, nature, nautical, north america, outdoors, rainbow, rapids, river, rockies, rocks, rocky mountains, sky, summer, sunny, trees, united states, vertical, water, waterfall, waterfalls, wyoming, yellowstone, yellowstone national park, yellowstone river,