sentences:  Other tales state that his grave was stampeded over by many horses, that trees were then planted over the site, and that the permafrost also played its part in the hiding of the burial site.The "Erdeni Tobchi" (1662) claims that Genghis Khan's coffin may have been empty when it arrived in Mongolia.Similarly, the "Altan Tobchi" (1604) maintains that only his shirt, tent and boots were buried in the Ordos (Ratchnevsky, p. 143f.