Stock photography, photos: A man running down a sand dune Stock photos of A man running down a sand dune while hiking in Moab, UT. Photograph: © William Stevenson Click for a larger image and more information Keywords associated with this stock photo: Running, hiking, run, action, active, energy, liveliness, momentum, motivation, adventure, enthusiasm, fun, playfulness, fast, speed, man, male, summer, blue, sand, sand dune, sandles, desert, horizontal, lifestyle, Moab, ut, Utah, Outdoor, outdoors, outside, sports, sporting, sport, exercise, physical, fitness, outdoorsman, sportsman, adult, young, adventure, adventuring, twenties, 20, s, 30, thirties, one, 1, person, adrenalin, excite, excitement, thrill, thrilling, Hank