Stock photography, photos: Levels Stock photos of Overhead walkway with playground below. The locations is the Yerba Beuna Center for the Arts in San Francisco, CA. Photograph: © Michael Evans Click for a larger image and more information Keywords associated with this stock photo: walkway, playground, urban, color, child, children, play, sidwalk, architecture, yerba buena, san francisco, california, ca, us, usa, u.s.a, america, united states of america, people