Distant people descending a huge sand dune, iridescent on a summer evening, Khongoryn Els, Gobi Desert, Mongolia, Central Asia, Asia

huge sand dune iridescent khongoryn els gobi desert mongolia mongolian central asia central asian asia asian photography colour colour image color color image outdoors outside day background people incidental people people in the background cloud expanse sand sandy landscape landscapes barren wilderness remote remoteness walking descending scale small group of people horizontal horizontal image