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.
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- 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。