Business. Kaifeng Drum Tower Night Market twenty-four hours in the Spring Festival does not close, six thirty to start preparing to enter the field, seven o'clock on time business. Gulou night market is one of the most famous night market in Kaifeng. The Drum Tower is an ancient building where huge drums were placed to beat the drums to call the police, or to report the time by banging the drums on time. Buddhist temples also have a drum tower, and bell tower phase, built in the main hall of the left and right, used to suspend the drum to report the time, or in the ceremony when knocking.