sentences:  Turnbull (2003, p. 24) tells another legend in which the grave was re-discovered 30 years after Genghis Khan's death.According to this tale, a young camel was buried with the Khan, and the camel's mother was later found weeping at the grave of its young.Marco Polo wrote that, even by the late 13th century, the Mongols did not know the location of the tomb.