Introduction to the Curly Stone: is located on the top of the middle part of the dry cave, covering an area of approximately 1,010 square meters. This kind of "curly stone" is a white jade-colored rod-shaped, curly or bean sprout-shaped calcite crystal with a soft color and a single length of up to 44-66cm. Relevant experts from the China Cave Association determined that this kind of "curly stone" was not formed by water droplets, and its origin is still a mystery. It has only been found in a few countries such as the United States, Romania, and China.