Guanzihling is famous for its muddy hot springs. This may not sound very appealing, but the waters have a reputation for treating skin allergies, and the spring is reportedly one of only three of its type in the world the other two being in Kagoshima, Japan and Vulcano, Italy. The standard course of treatment is to slather on the stuff, let in dry out for a few minutes, then rinse it off in a pool and repeat.
