Stock photography, photos: Two young sisters taking a nap Stock photos of Two young sisters taking a nap while camping on Mount Judah, CA. Photograph: © William Stevenson Click for a larger image and more information Keywords associated with this stock photo: family, kids and family, kids, children, back country, camping, camp, sisters, young, friends, youth, carefree, the good life, vacation, lifestyle, horizontal, girl, girls, puppy, summer, fall, kelty, autumn, dog, taking a break, Mohl, vacation, exercise, health, healthy, fitness, walking, walker, walk, hike, hikers, family, child, girl, young, 2, people, girls, sisters, camper, camping, sleeping, napping