Introduction to Crescent Moon Spring: Crescent Moon Spring is located in the east of the ancient hot spring. It was renovated in 1964 to expand the water surface. The spring pool is surrounded by Taihu stones of varying heights, and a 3-meter-high Taihu stone stands in the water, like a jade rabbit in the moon palace. The spring pool is 13 meters long, 8 meters wide and 1.5 meters deep. It has an irregular shape and green spring water.