Introduction to the exhibition of Ming and Qing couplets and stele carvings: The exhibition of Ming and Qing couplets and stele carvings is located in the east and west verandahs. It displays 300 stone couplets donated by Mr. Ma Guang, which collects fine couplets of Ming and Qing celebrities, including Kangxi, Yongzheng and Qianlong. The royal brushes of three generations of emperors include authentic calligraphy works of national heroes such as Lin Zexu and Shi Kefa, which are an elegant artistic enjoyment.