The 2nd Year (826) of Baoli Period
Prefect Niu Sengru renovated Ezhou (Wuchang) on a large scale. At that time, he was also Military Commissioner of Wuchang and Surveillance Commissioner of Five Prefectures—Ezhou, Yuezhou, Mianzhou, Qizhou and Huangzhou. Reportedly, the tower was first separated from the city wall during that renovation. That is to say, the tower alone became a scenic edifice.