Zhijin Cave

This cave was discovered in 1980 by the Zhijin County Tourism Exploration Team. It is also called the Daji Cave. This cage is huge, extending 13.5 km. According to historians, this cage is believed to be the largest unsupported roof span of the cave that has been ever discovered. What makes this place amazing is the hundreds of different crystalline formations with Silver Rain Tree being the biggest of them which is 17m (56 ft) long.