Introduction to Erlong Playing with Pearls: Erlong Mountain, namely Dalong Mountain and Xiaolong Mountain, stretches from northeast to southwest. There is a small island covered with green trees in the Erlongshan Reservoir, called Pearl Island, covering an area of ​​1 square kilometers and with an exquisite octagonal pavilion. The two hills resemble two giant dragons rushing towards the Pearl Island in the middle of the lake, which is called "Two Dragons Playing with Pearls".