Introduction to the hot spring swimming pool: The crab spring pool covers an area of 11,000 square meters and is designed and decorated after the old Beijing first-class official hall. The Crab Island Swimming Pool uses hot spring water 2,400 meters underground. The water is rich in more than 30 kinds of minerals and trace elements that are beneficial to the human body, such as calcium, magnesium, zinc, sodium, and metasilicic acid. There is a hot spring competition pool with a water depth of 1.8 meters, a national standard pool of 25 meters by 50 meters, a training pool with a water depth of 1.4 meters, a depth of 15 meters by 25 meters, and a hot spring children's paddling pool. The hot spring pool includes four kinds of medicinal baths, Turkish fish bath, etc.