Introduction to Cai Chengxun's old residence: Cai Chengxun, a native of Tianjin, graduated from the Tianjin Military Academy. He served as the Chief of the Army of the Beiyang Government and the Governor of Jiangxi. The building was built in 1935. It has a three-story brick and wood structure with green brick walls on the outer eaves. It has a symmetrical composition and combines Chinese and Western classical styles. The current site is occupied by two magazines.