Dapeng Ancient City is an old fortress-town overlooking Daya Bay on Dapeng Peninsula in the east of Shenzhen. The fortress was first established in 1394 and developed into a large town during the Ming and Qing dynasties. The remains of this walled town cover an area of 10,000 square meters. Dapeng Ancient City. This city was built during the Ming Dynasty around 1394 to serve as a naval base to counter pirates coming from the South China Sea. The fort also played an important role during the Opium War fought against the British forces. A hundred thousand square meters in area, Dapeng town in Shenzen is a well-preserved town, so well-preserved that the buildings and the narrow winding streets still look the way they did during the Ming and Qing dynasties, giving one a feel of how life was in Imperial China.