The Imperial Tomb in the Northern Song Dynasty is a national key cultural relic protection unit, located in Xicun, Zhitian, downtown and Huiguo Town, gongyi city, Henan Province. Except for Nine Emperors Hui and Qin who were captured by nomads from the Northern Song Dynasty and died in the Five Kingdoms City, the other seven Emperors were buried with Zhao (the father) in Gongyi, commonly known as the "Seven Empresses and Eight Mausoleums", plus Empresses and Princes, Grandsons, Gao Huaide, Cai Qi,. Song Ling was built in 963 AD, with a history of more than 160 years. It has formed a huge and magnificent royal mausoleum group, which can be called an open-air art museum and is a very precious material for studying the laws and regulations of the Song Dynasty and the stone carving art.