Introduction to Anling: Anling, known as Mausoleum No. 4 in archaeological surveys, is located at the foot of Helan Mountain about 2 kilometers west of Tailing. It is the tomb of Emperor Zhaoying Liang Zuo, the son of Concubine Yuanhao. The overall layout of Anling is the same as that of Tailing, and one stele and pavilion remain.