简介
半壁桥位于协和门东北侧。内金水河从太和门前自西向东流，在协和门以北的廊房地下变成暗沟穿过，再经过半壁桥下流出，重新露出地面。所以半壁桥只有东侧有桥栏，故称“半壁桥”。内金水河自半壁桥流出后，随即折向北流去，最后流入文渊阁西墙，经过文渊阁前的方池。[1]
参考文献
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