15-16 dance halls. There are Qingtan Ballroom, Huaxing Ballroom, Xingxing Ballroom, Miramar Ballroom, Lanling Ballroom, Water Cube Ballroom, Mengjiangnan Ballroom, Blue Moon Ballroom, Hongmei Ballroom, Tianning Ballroom, Red and Black Ballroom, etc. in Changzhou. Regional dance halls not only enrich the culture and entertainment of the general public, but also bring about safety issues in dance halls. However, Changzhou has been cracking down hard on entertainment venues.