the waauuw is a great facility, if we have a natural swimming pool, a small river that flows from upstream downstream, tapu can not make the temperature warm like a @pinacle brothers pool, unless we bathe in the daytime when the blazing eyes of the day are parallel to the human head, it can change the temperature of the water a little warm water, and even then when the flow of water is small in the river area. if the water is brownish as in the following picture, the pool we can not use, because the flow of the water is heavy and too dangerous for us @pinacle