The high-level career of the Department of Architecture unexpectedly came to the late Zhenguan period, and became Li Shimin's sixteenth brother Li Yuan-ai. Facing the era of ambitious poems, Li Yuan-ai did not catch up with the most brilliant trend, and set a small goal for himself with the mentality of being content with the situation , using his own strengths, to build a palace that has never been seen before, and to design a city comparable to Chang'an in the Tang Dynasty. Zhi, a generation of Empress Wu Zetian, is gradually moving towards the stage of history. Li Zhi is incompetent?