sentences:  In addition, the expedition notes that this mound is still the subject of religious rites and pilgrimages of the surrounding population.This expedition did not give rise to any scientific publication by Pierre-Henri Giscard because it was made without authorization, and without informing local authorities.Indeed, besides the fact that the access to the area around Burkhan Khaldun is strictly controlled, the sacredness of the tomb for the Mongolian government and the population makes it impossible to explore.