Introduction to Gong's residence: Jinshi Dimenlou, also known as Guojie Tower, was originally located in Maiyuan Village, Hengshan Town, Longyou County. It is a building of the early Ming Dynasty. There is a "Jinshi" plaque hanging in the middle of the gatehouse. The owner is Gong Chengjian, a Jinshi in the 40th year of Wanli in the Ming Dynasty (1612).