In the legend of Wu Meiniang, the place where Yuan Tiangang retired to hermitage is

The place of retreat is by the West River.

"The Legend of Wu Mei Niang" After Yuan Tiangang and Li Chunfeng sawed off the "dragon vein", they became obsessed with Langzhong, a "feng shui treasure land". People also built a Tiangong Courtyard by the Xihe River and lived in seclusion here to study Feng Shui.

Yuan Tiangang, the most famous physiognomist in the Tang Dynasty, is also famous in the history of Chinese physiognomy. Born in Chengdu, Sichuan (now Chengdu, Sichuan), his birth and death dates are unknown. He was an astronomer, astrologer, forecaster, Feng Shui master, Taoist priest, and fortune teller from the late Sui and early Tang Dynasties, and lived in Yizhou. He was good at learning from the wind, but he was not satisfied after repeated tests. In the Sui Dynasty, he was appointed as the Yanguan Order, and in the Tang Dynasty, he was appointed as the Huojing (Linqiong) Order. He is the author of "Liu Ren Ke", "Five Elements Xiangshu", "Three Generations of Xiangfa", "Tuibei Diagram" (co-authored with Li Chunfeng), "Yuan Tiangang's Bone Weighing Song", etc. Tongzhi records include a volume called "Xuan Yao of Yi Jing", which has been lost for a long time. Gao Yuxiang, the founder of the contemporary Yin Yang Yi Dian School, commented on Yuan Tiangang: "The name is like the bright moon covering the ages, and the sound is like spring thunder that shakes the past and present."