The road in the ditch is about 40 kilometers, and the second half is very difficult to travel. In the light rain, first come to the hot spring group. It is a long way to smell sulfur. There are hot springs spraying everywhere on both sides of the road. The boiled eggs are delicious, and then continue to march into the ditch. Three hours later to the end, On the dark blue lakeside, visit two monasteries, and the monasteries are thousands of years old trees on the road.