Introduction to Jinglu Terrace: Jinglu Terrace is located at the end of Nanhaikou. It was built by Sun Yingyuan in the 44th year of Jiajing reign of Ming Dynasty (1565). In the fourth year of Longqing reign (1570), Qi Jiguang, the commander-in-chief, changed its name to Jinglu Terrace. The platform is 15.2 meters high and is divided into three parts: the upper, middle and lower parts: the lower part is a solid building with a height of 7.41 meters, and the middle part is a hollow platform. There is also an entrance to the upper floor in the west side of the building, which is connected to the city wall outside the platform. Wooden stairs lead directly to the top of the enemy platform.