¬†forming a semi-enclosed edge of the outer city, and the remains cover an area of 351ha.. The existing ancient river channels are about 32.6km long in total. The “Ś∑•-type” main river channels and the river channels around the inner city connect the inner city with outer city via the water city gates of the inner city. They also connect the peripheral water system of the City Site, forming a complete waterway transportation system.

 

Aerial View of the Site City (South to North)