Introduction to Baolongtan: Baolongtan is located in Qiongkou Village. The pool is round in shape and 38 meters deep and high. The mouth of the pool wall has a dome and a bulging belly, and the outlet looks like a crescent moon. Because the pond originates from Mangkeng, the water is sweet and green. Locals say that there are no cancer patients who bathe in the pond and feel refreshed.