Stock photography, photos: A couple playing with shadows Stock photos of A couple playing with their shadows while hiking in The Buttermilks, CA. Photograph: © William Stevenson Click for a larger image and more information Keywords associated with this stock photo: Backpacking, backpack, backpacker, Wilderness, high country, back country, simplicity, active, energy, liveliness, playfulness, fun, enthusiasm, hiking, distance, vista, grandeur, vastness, couples, friends, togetherness, man, woman, evening, sierra, mountains, summer, fall, autumn, California, sierras, alpine, granite, taking a break, horizontal, shadows, shadow, Kell Clar, outdoors, outdoorsman