The real hot spring should not be boiler water. Generally speaking, where water flows or immerses all the year round, it will naturally form a slippery layer of silt. The layer of silt in hot springs in karst caves is not slippery. It should be calcium carbonate, which is true in hot springs.
It's beautiful here. It's much better than the underground Xianhe River.
It's worth traveling to relax. Exercise and exercise
It's very comfortable to soak in the hot spring for the first time, and you can see the scenery of nature.
Feeling general, fares are not expensive, water quality is general.