canyon, canyons, stones, window, sky, golden hour, brown, rock, formations, grand national, national park, grand canyon, arizona, usa, steeplechase, united states, sundown, supporting structure, district, contest, state, United States of America, social event, America, american state, race, U.S., United States, park, framework, formation, gorge, stone, valley, horse race, north american country, sunset, ravine