Introduction to the Gongguan Courtyard: The Gongguan Courtyard is located on the north side of Toudao Street. It is the place where past officials stayed. There are three courtyards in the north and south. It is well preserved today. The doors, windows, partitions, and wooden plugs in the house are of exquisite workmanship. Each wooden plug is hand-carved with several different groups of images such as piano, chess, book, lotus, lotus, bat, dragonfly, cicada, etc., which are extremely delicate.