Introduction to the Roots and Ancestors Cultural Wall: The Roots and Ancestors Cultural Wall is based on the cross-section of the original quarry and uses square fonts printed with movable type as the form of expression. The "Hundred Family Surnames" with strong Chinese culture are carved on the gables. above. The cultural wall is 6 meters high and 70 meters long. The surnames in each square font are carved in negative or positive ways, and are decorated with numerous classical cultural patterns. Visitors can explore the roots of their surnames while visiting the cultural wall.