Introduction to Huanglong Pond: Not far from Lixi Grand Canyon across the Erdao River, there is Huanglong Pond, also known as Tianjing Cave. The stone walls on the pond are like small dams, and there is also a small pool on the dam. When the water is strong, people You can swim in it. The two pools are one on top and one on the bottom, one large and one small, one deep and one shallow, making it unique and interesting.