The current edition of Huai Nan Zi, Descending from the Shape“Layered city”。
《Liang Shu·The Empress's Biography, Emperor Ding Guibin: "The emperor mourns the Bi Platform forever and mourns the failure of Zeng City."
Jin Yuwen Xuzhong《chrysanthemum 》Poetry: "The wind in the middle of the moon and dew on the autumn eve are good. I feel that this fairy species has come to Zengcheng."