From the literati's praise of Guanyin Cave. According to the tourist guide of Huangguoshu, Guizhou province, the inquiry is made. Guanyin Cave in Longgong is the largest cave in China. The whole cave is divided into Daxiong Hall, Guanyin Hall, Maitreya Hall and Dizang Hall. It is an important scenic spot in the Dragon Palace Scenic Area. A vertical waterfall hangs on the cliff outside the cave. Outside the cave, a scholar praised Mao Lin for repairing bamboo: "A small river goes to the field to raise rice, and bamboo clouds are full of clothes."