Certainly Zhu Xie also included some photographs in his book, but it was the maps that were equally important, if not more so, than the textual verifications of the palace buildings, since he regarded the lack of maps thereof to be a common problem in early sources of palatial architecture. He based his maps on ...
Inside the southern Lizhengmen Gate is called A Thousand Steps Corridor, which is about 700 steps. [There is] a Lingxingmen Gate with screen walls. [The walls are] about 20 li in circumference. The locals call them the Hongmen Lanma Wall. About dozens of (another version says twenty) steps inside the gate is a river. Three ...