▁ch ulu u ) ▁in ▁Mong ol ian ), ▁which ▁are ▁w ides p read ▁in ▁the ▁regions ▁of ▁the ▁Mong ol ian ▁Al ta i ▁r idge ▁and ▁K hang ai ▁mountains . ▁The ▁art ▁of ▁dep ict ing ▁de er ▁on ▁stones , ▁popular ▁in ▁Western ▁E uras ia ▁and ▁Central ▁Asia ▁during ▁the ▁Bron ze ▁Age , ▁belongs ▁to ▁the ▁S cy th o - S iber ian ▁style . ▁About ▁ 5 0 0 ▁de er ▁stones ▁( making ▁up ▁ 8 0 % ▁of ▁all ▁known ▁in ▁the ▁vast ▁E uras ian ▁ste ppe ▁zone ) ▁are ▁concentr ated ▁in ▁the ▁north ▁and ▁north west ▁of ▁Mong olia . ▁Most ▁sch ol ars ▁estimate ▁that ▁Bron ze ▁Age ▁nom ads ▁ere cted ▁the ▁grace ful ▁and ▁myster ious ▁meg al ith s ▁throughout ▁the ▁northern ▁regions ▁of ▁Mong olia ▁and ▁southern ▁Si ber ia ▁around ▁ 1 0 0 0 ▁B CE , ▁though ▁some ▁sch ol ars ▁think ▁they ▁may ▁be ▁the ▁work ▁of ▁later , ▁Iron ▁Age ▁pe op les ▁who ▁appeared ▁by ▁ 7 0 0 ▁B CE ▁in ▁Mong olia . ▁There ▁are ▁pictures ▁of ▁the ▁sun ▁and ▁moon ▁near ▁the ▁top ▁of ▁the ▁de er ▁stones ▁below ▁which ▁is ▁a ▁line ▁of ▁a ▁geometric ▁orn ament . ▁Then ▁there ▁are ▁the ▁pictures ▁of ▁de er ▁character ized ▁as ▁in ▁a ▁“ f lying ▁gal lop ”. ▁Below ▁the ▁de er ▁dep ict ions ▁is ▁another ▁bel t ▁decor ated ▁with ▁geometric ▁orn aments