C717 Metropolitan

As for the main road of the Yanjing, the Forbidden City and the King's Palace were brand-new constructions. Because of Zou Yan's addition, on the basis of the five elements of Yin and Yang, the formation of the Thistle City was especially focused on the One with the Heavens.

The walls of the outer city were tall and sturdy like copper walls, making it easier to defend. On the main city wall