Runzetan introduction: Runzetan is the fourth well Longtan, also known as White Dragon Pool, which is connected up and down with Huanglongtan. During the wet season, its momentum is like a dragon entering the sea, and its sound is like a tiger roaring. During the period of little rain, , then it is like the plain gauze of Xi Shi Qinghuan, which is not as wide as rice, but soft and misty.
Attraction