《水经注·卷二十六》
城的东南角有一座台，台下有井，与荆水相通，有什么掉到井里，可在荆水取回。
城之东南角有台，台下有井，与荆水通。
There is a platform in the southeast corner of the city, and there is a well under the platform that is connected to the Jing River. If anything falls into the well, it can be retrieved from the Jing River.