Introduction to the Immortal Bathhouse: The Immortal Swimming Stream is composed of nine tanks and eighteen pools, with a length of 1,000 meters. It is made up of natural mountain spring water. The bathtubs come in various shapes and depths, and are marvelously crafted. Here you can lie down and bathe, play in the water, swim, rush into waterfalls, climb, and explore, showing off your brave demeanor.