Introduction to Shiyun Jinyin: is a boat-shaped boulder 1.5 meters long, 0.7 meters wide and 0.3 meters thick. As long as it is gently knocked with pebbles, any part of it can make different metallic and pleasant sounds, hence the name "Shiyun Jinyin" . It is said that Yuan Jie often sang "The Beautiful Song of Incorruption" to himself here, which attracted hundreds of birds to sing the piano, the harmonious sound of the pines, the sound of the waves, and even Han Xiangzi came to play the flute to accompany him.