Before leaving for Dunhuang early in the morning, I hurried to the Zhangye Drum Tower (Zhenyuan Building) in the center of Zhangye to see for myself the magnificent and beautiful style of his majestic and handsome style. This is an ancient building reflecting the architectural style of the Ming Dynasty and the largest existing drum tower in the Hexi Corridor. The top of the door is built with 5 floors of brick coupons, with the above inscribed bricks, the east is "Lisheng", the west is "Binxu", the south is "Yingxu", and the north is "Zhenyuan". The pavilion is divided into two floors, and the shanging of the shanging of the shanging of the shanging of the shanging of the shanging of the shanging of the shanging of the shanging of the shanging of the shanging of the shanging of the shanging of the shanging of the shanging of