Ключевые слова: america, background, beautiful, beauty, big, blue, canyon, color, environment, extreme, fall, falls, famous, forest, gorge, grand, green, landscape, large, lower, mist, national, national park, nature, outdoor, park, pine, powerful, river, rock, rocky, scenic, sky, spring, stone, stream, summer, tall, travel, usa, view, water, waterfall, wilderness, wyoming, yellow, yellowstone,