In the center of each side of the platform had semispherical fort 北侧有小门及楼梯，可下地下室的弹药库。
2.
The only remains are two semispherical fort fragments and part of the outer wall along the road in front of the fort 现存城墙数段及半圆形之棱堡残迹各一，其中以目前
3.
The center of semispherical fort had a well . there is a small door with ladders at the north place . it s the entrance to the ammunition depot in the underground 上下两层富有雉堞，突出的棱堡附设有了望塔，棱堡作为炮塔之用，各有大炮五门。
