Introduction to the Centennial Sophora japonica: There are three unique features in the main courtyard: first, there is a century-old Sophora japonica in front of the dedication hall, which is shaped like the word "righteousness", symbolizing Zhuge Liang's lifelong loyalty, and also contains the sworn friendship between Liu, Guan and Zhang; second, the purlins above the dedication hall are A five-foot-long log: Third, there are two pillars in front of the main hall with very special wood grains. The one on the east side is shaped like a phoenix, and the one on the west side is shaped like a long dragon. Many tourists take photos here. The women take the phoenix and the men take the long dragon. .