Stock photography, photos: underground Stock photos of underground Photograph: © Jean-Francois Dupuis Click for a larger image and more information Keywords associated with this stock photo: appearance, building, construct, construction, developed, establishment, passage, structure, town, urban, wall, light, path, way, passageway, subway, tunnel, pictures, deserted, blurry, blurred, black and white, built, indoors, underground, form, function, utility ,underground