Official Residence Introduction: Ni's Prefecture is the most impressive mansion in the entire old street. The open square in front of the house is unique in the commercial old street, showing that the owner's status is extraordinary. The magistrate's mansion was built by Mr. Ni Puzhai, the magistrate of Fuzhou in the late Qing Dynasty when he retired and returned to his hometown. It is the largest official residence in Kongcheng Old Street. Ni Puzhai was an upright man and an honest official. He did a lot of practical things for the people and was loved by the people.