Introduction to the old site area: The old site area has two courtyards. In the front yard stands the magnificent bronze statue of Nie Rongzhen, commander of the Shanxi-Chahar-Hebei Military Region. The backyard is the former site of the Shanxi-Chahar-Hebei Military Region Headquarters, including three rows of 21 adobe houses, including the dormitories of Chairman Mao, Zhou Enlai, Ren Bishi and other central leadership comrades, as well as the military region's operations section, telephone room and conference room. Complete and of great commemorative significance.