Where is the door table of special camp 1?

Mentaizi Town is located in the west of Fengyang County, Anhui Province, 15km, with a total area of 5 1km2, 44,000 mu of cultivated land, 0/7 administrative villages and a population of 34,000. The south of Mentaizi Town is a part of the capital of Ming Dynasty. Jinmen Taizi Town is the right-hand gate behind Zhongdu City (west gate of the north city wall), which is thirty miles northeast of this town (east of Chen Zui village) and four years away from Hongwu (i.e. 137 1 year). There is a mound, commonly known as Ditan, which is a construction site used by feudal emperors to worship the gods. Now the ruins of the square mound altar have disappeared into the lake and merged with the lake.