Introduction to the mausoleum: The height of the mausoleum is 4.58 meters, the depth is 6.64 meters, and the width is 28.9 meters. There is a lion carved from white marble at each end of the mausoleum. The center of the tomb is inlaid with the words "The Tomb of Emperor Yan Shennong" written by Shen Daokuan, the magistrate of Ling County during the Daoguang period of the Qing Dynasty. "The name of the monument.