Lie in Wu Gorge the the west end and large north bank of Ninghe River intersection. Made up of fresh water, gold bamboo, three ancient holes of Yulin. Each independence of three holes, are also mixed with pile, is well versed in each other, combine together. Hole inner stalactite tangible to like rhinoceros, bend over hole, spy of rhinoceros, that lie in different poses and with different expressions, there is shepherd of Su Wu whose body wears ancient clothes, there is exquisitely carved jade column that holds up it,etc.
. Poet Luyou enters Sichuan Province, has moored the constellation in this hole