Nantong City Luohe Scenic Area, located in the center of the famous national historical and cultural city Nantong, is one of the most complete ancient moats in China. After the history of Zhou Xiande five years (958 AD), "building a city is a river", the total length of 10 kilometers, the water surface 1040 mu, the widest 215 meters, the narrowest only 10 meters.