The existing soil walls of the building Bentu, about 1,750 meters to a maximum of 15 meters, 8-10 meters high in general, Dikuan 20 meters, and Shing Mun site and a moat.

• 现存土城墙系夯土所筑，长约1750米，最高处15米，一般高8-10米，底宽20米，并有城门和护城河遗址。