According to legend, when Genghis Khan was buried, for the sake of confidentiality, more than ten thousand horses were used to plow the ground at the burial place, and a separate tree was used as a tombstone. In order to make it easier to find the cemetery in the future, a camel lamb was killed on Genghis Khan's grave, the blood was sprinkled on it, cavalry were sent to guard the tomb, and saplings were planted on the ground. The soldiers guarding the tomb did not withdraw until the grass grew up the next spring and the cemetery became no different from other places. If the children want to worship Genghis Khan, they should let the female camel whose lamb was killed at that time serve as a guide to lead the people and horses. The mother camel can smell the blood of her lambs. As long as the mother camel stops and chirps in one place, that is the tomb of Genghis Khan. But I think that lamb's blood will only last for a few years. Decades later, the planted saplings have all become forests. After nearly a thousand years of vicissitudes of life, the ancient tomb has long been lost.