▁de er ▁stone ▁art . ▁According ▁to ▁H . L . ▁Ch ly en ova , ▁the ▁art istic ▁de er ▁image ▁origin ated ▁from ▁the ▁Sak ▁tribe ▁and ▁its ▁branches ▁( Ch ly en ova ▁ 1 9 6 2 ). ▁Vol kov ▁bel ieves ▁that ▁some ▁of ▁the ▁methods ▁of ▁craft ing ▁de er ▁stone ▁art ▁are ▁closely ▁related ▁to ▁S cy th ians ▁( Vol kov ▁ 1 9 6 7 ), ▁whereas ▁Mong ol ian ▁arch ae ologist ▁D . ▁T se ve endor j ▁regards ▁de er ▁stone ▁art ▁as ▁having ▁origin ated ▁in ▁Mong olia ▁during ▁the ▁Bron ze ▁Age ▁and ▁spread ▁there after ▁to ▁Tu va ▁and ▁the ▁Ba ikal ▁area ▁( T se ve endor j ▁ 1 9 7 9 ). ▁D . ▁G . ▁Sav in ov ▁( 1 9 9 4 ) ▁and ▁M . ▁H . ▁Mann ai - O ol ▁( 1 9 7 0 ) ▁have ▁also ▁studied ▁de er ▁stone ▁art ▁and ▁have ▁reached ▁other ▁conclus ions . ▁The ▁stones ▁do ▁not ▁occur ▁alone , ▁usually ▁with ▁several ▁other ▁stone ▁monuments , ▁sometimes ▁car ved , ▁sometimes ▁not . ▁ ▁The ▁soil ▁around ▁these ▁gather ings ▁often ▁contains ▁traces ▁of ▁animal ▁remains , ▁for ▁example , ▁horses . ▁Such ▁remains ▁were ▁placed ▁under ne ath ▁these ▁auxili ary ▁stones . ▁Human ▁remains , ▁on ▁the ▁other ▁hand , ▁were ▁not ▁found ▁at ▁any ▁of ▁the ▁sites , ▁which ▁dis cred its ▁the ▁theory ▁that ▁the ▁stones ▁could ▁function