This place is located in Zhangjiajie Geopark, Hunan. This place is a purple sandstone, which is called Zicaotan because the flowing water has been washed into a trough many times. The pool is about 8 meters long, about 2 meters wide and 2 meters deep. The pool water is crystal clear, plus the inqi peaks, green trees, purple stones reflected into the bottom of the pool, mottled land, water is scaled, green shadow swaying, very natural harmony. The small bridge on the pool is a complete natural boulder, more than three meters long and two meters wide. very beautiful!