Stock photography, photos: Sandstone Wall Sunset Stock photos of Silhouette of a sandstone wall near Delicate Arch at sunset. Arches National Park, Utah. Photograph: © Matthew Thalman Click for a larger image and more information Keywords associated with this stock photo: USA, United States of America, America, United States, US, arches np, arches national park, Utah, UT, National Park, National Parks, NP, park, parks, sunset, sundown, north america, orange, yellow, scenics, sun, sunlight, sky, canyon, sandstone, rock, rocks, silhouette