Tianchi Introduction: Tianchi is located to the west of the top of Jiaozi Mountain, about 4100 meters above sea level. The high mountain scenic area centered on Tianchi is the core part of Jiaozi Mountain Scenic Area, and Tianchi is the soul of the scenic area. The sky is also called the sea, the deepest point is nearly 200 meters, the transparency of the lake water exceeds 4 meters, and the water quality reaches the national Class I standard. Standing in front of the lake, the cool breeze blows, and the intertwined roots of the mountain rhododendrons reflected in the water contrast with the blue sky and the white clouds floating in the middle, making it look like a dream. There is a peculiar phenomenon near Tianchi. If someone makes a loud noise, the critical point of the clouds will be broken, and it will suddenly rain in the sky, which is the phenomenon of "hearing rain".