In such cold weather, it is more suitable to go to the cave hot springs. You don't need to be exposed to cold wind outside, and the water temperature is relatively hot. It is very comfortable and not easy to catch a cold. Because I was in a hurry, I didn't bring a waterproof phone bag. So the phone was not brought in and no photos were taken. It is more reliable to book tickets on Ctrip, and the fares to go directly to hotels and hot springs are more expensive.