The house No.50 Zengjiayan is located in Zhongshan Fourth Road, Yuzhong District. It is also known as Mr.Zhou's Residence and used to be the main office of the South China Bureau of the Communist Party of China in Chongqing. Staying on the right hand side of Mr.Zhou's house was Dai Li, director of the Bureau of the Investigation and Statistics of the Kuomintang while the local police station station of the Police Bureau of the Kuomintang was located on the left hand side.

Traffic: By Bus 215, 216, 412, 421, 481, 801

Ticket: Free