Introduction to Mirror Stone Hanhui: Located on the left side of "Ode to Zhongxing", it is a stone mirror, 0.46 meters high and 0.8 meters wide. It is black and smooth. When wiped with water, it can illuminate people's faces and people's hearts. According to legend, it can still reflect people's faces and people's hearts. According to the scenery of the Tang Palace, that is to say, the ugly behavior of "evil ministers, treacherous, arrogant, and shameful monsters" in the Tang Palace can be shown scene by scene like a movie.