https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/582720
Distant view of the Kilpecker sand dunes and the forbidding Sweetwater County high-plains terrain in Wyoming.
Kilpecker's are the world's second-largest active sand dunes — behind the Sahara in Africa. Original image from Carol M. Highsmith’s America, Library of Congress collection. Digitally enhanced by rawpixel.
Public DomainFree CC0 image for Personal and Business use