Jiutian Cave - he first cave in Asia: its name is obtained for its nine skylights connected with the ground. The cave is divided into upper, middle and lower layers with a total area of 2.5 million square meters, in which there are layers of stalagmites, stelae and stalactites in beautiful shapes and peculiar structures everywhere. It is an uncommon underground gem.

     In 1987, it was identified as "the first cave in Asia" after three on-site investigations of over twenty experts in solution caves from seventeen countries. In 1995, it was designed as an "Exploration Base of International Limestone Cave Association" and received as its member.