Stock photography, photos: Icy Cliff Stock photos of Icicles hanging down from a limestone cliff in winter. To the left is a tufa formation or frozen waterfall in the stream. Photographed in the Lower Howard's Creek Nature and Heritage Preserve in the Bluegrass region of Kentucky, USA. Photograph: © Jim Lane Click for a larger image and more information Keywords associated with this stock photo: colour, color, horizontal, cold, crystal, encrusted, frozen, ice, ice covered, icicles, icing, winter, freeze, preserve, beautiful, serene, limestone, cliff, Kentucky, KY, USA, United States, america, park, travel, nature, seasons, outdoors, icy, tufa, frozen waterfall