Introduction to Qinglong Stream: Qinglong Stream is long, narrow and deep, with all blue stones. The stone at the bottom of the stream is more than 100 meters long. If a green dragon is lying in the stream, its back is smooth, and people can ride on it. It is very interesting to ride on a dragon. Qinglong Stream, whose real name is Yinglong Stream, according to myths and legends, Yinglong is the divine dragon of the Yellow Emperor, and this stream is the residence of Yinglong. On the cliff of Qinglong Stream, there is a cursive script of "Wolong" written by Zhang Maixian, which is 5 meters long and looks like a swimming dragon.