The Drum Tower is located northwest of the Bell Tower, the Drum Tower’s sister structure.  It was erected in 1380, during the Ming Dynasty.  The Drum Tower got its name from the huge drum hung within it.  The bell was struck at dawn and the drum was beaten at sunset to declare the end of the day. 
Large drums are set along the outside of the Drum Tower at ground level.  Each one is decorated with Chinese characters invoking good fortune.  The impressive wall of drums is only for show.  However, Visitors are not allowed to beat them!  Fortunately, there is a drum near the front entrance you can have a try at and even take pictures with for a small fee.
Inside the Drum Tower is a drum museum, where a variety of drums are on display, some of which dating back a thousand years.  A drum performance is given here every day, and top of the tower commands a panoramic view of the city.