This is just the custom of the Zhang family, who have been burying their own people in different places.
3. Chyi Yu is a descendant of the Old Nine Gates. In the archaeological team of that year, he later disappeared for his own reasons. The man crawling on the ground in Golmud sanatorium is called Chyi Yu, who looks like Wu Xie.
According to the novel legend, he was a strategist of Lu Wang during the Warring States Period, and his Feng Shui attainments were extremely high. He once helped Lu find jade figurines that could make people live forever. Later, for fear of revealing the secret, he set fire to his family and cheated Lu away with the body of a fake beggar. He survived.
Iron man is one of the people who discovered the ultimate secret. Finally, he entered the Jade Man's eternal life and hid the coffin under the hydra cypress.
There are also declassified notes about grave robbery, saying that the tough guy's surname is Wu, and there are also records that the tough guy has been to Taihou Palace. He and Zhang are the forces against the ultimate Zhang family for thousands of years. At the same time, both he and Wang Zanghai (a novel character) are people who see through the ultimate secret.
Man in the iron mask came out of the jade figurines after the burial of the regression king of Lu, and went in to live forever. Later, he was killed by Zhang Qiling among the jade figurines. According to legend, he didn't die later. He became a family in modern times and lived a quiet life.