Introduction to the Drum Tower: A building in the west with the same architectural format and symmetry with the bell tower is the "Drum Tower" of Tianbo Yang Mansion. There is a large cowhide drum in the drum tower, named "Ji Zhan Drum". The diameter of the drum head is 1.07 meters, the drum body is 1.5 meters long, and it is placed on a drum stand 1.6 meters high.