中國這個天然的石灰石洞穴已經超過1.8億年（雖然彩色照明更是近一些）。 有趣的事實：洞穴牆上的水墨銘文一直追溯到公元792年，告訴我們，即使是那個洞穴也是一個吸引人的地方。
China's natural limestone cave has been more than 180 million years (although the color lighting is closer). Interesting Facts: Inscriptions on the wall of the cave are traced back to AD 792 and tells us that even the cave is an attractive place.