Elephant-Trunk Hill is a symbol of Guilin and became famous for looking like a giant elephant drinking water with its trunk. It is a masterpiece of karst landscape, usually composed of pure limestone deposited on the seabed 360 million years ago. A cave called Moon-over-Water Cave is located between the "nose" and the "leg" of the hill, which looks extremely gorgeous when the moonlight gleams. The Puxian Pagpda, built in Ming Dynasty, stands on the top of the hill.[China.org.cn/Photo by Han Bo]