Stock photography, photos: A couple sleeps outside Stock photos of A couple sleeps outside in their sleeping bags on a hiking trip near Ruby Lake, CA. Photograph: © William Stevenson Click for a larger image and more information Keywords associated with this stock photo: Backpacking, backpack, backpacker, bivy, sleeping, bag, Wilderness, high country, back country, simplicity, inspiration, motivation, adventure, rest, relaxation, hiking, camping, distance, vista, grandeur, vastness, beauty, couples, morning, evening, sierra, mountains, summer, fall, autumn, California, sierras, alpine, clouds, vertical, Kell Pres, outdoors, outdoorsman