Introduction to the Ancestral Square: The Ancestral Square is an activity place for those who come to Chenjiagou to trace their roots, make pilgrimages, worship ancestors, return to their ancestors, and tourists. Covering an area of ​​120,000 square meters. There is a theater at the south end of the square and archways at the east and west ends. On the east side of the square is Changyang Ancient Temple, and on the west side is Dehu Pharmacy.