Introduction to Ziwei Cave: Ziwei Cave is located in the north of Chaohu City, formerly known as Shuangjing Cave. It is a naturally formed underground river-shaped cave with a total length of 3,000 meters. It is famous for its majesty, wonder, danger and secludedness. It is known as the "No. 1 Cave in Jiangbei". There are ten major caves, 36 main scenery and 72 auxiliary scenery, among which the "four wonders" and "three wonders" are the most wonderful.