▁such ▁as ▁Spirit ▁of ▁the ▁rocks . ▁ ▁The ▁ideas ▁set ▁out ▁by ▁these ▁authors , ▁often ▁involving ▁ancient ▁visitors ▁from ▁foreign ▁lands , ▁and ▁alleg ed ▁links ▁between ▁the ▁eng rav ings ▁and ▁Og ham ▁ins cri ptions , ▁are ▁rejected ▁by ▁arch ae olog ists . ▁ ▁Within ▁the ▁arch ae ological ▁frat ern ity ▁the ▁site ▁has ▁become ▁important ▁in ▁colleg ial ▁deb ates ▁on ▁author ship ▁of ▁rock ▁art ▁in ▁Southern ▁Africa . ▁ ▁Among st ▁rock ▁art ▁special ists ▁there ▁are ▁two ▁principal ▁ideas ▁concerning ▁D rie k ops ▁E il and . ▁One ▁of ▁them ▁suggests ▁that ▁whereas ▁sites ▁such ▁as ▁the ▁nearby ▁Wil de be est ▁Ku il , ▁with ▁its ▁prof usion ▁of ▁eng rav ings ▁of ▁animals ▁and ▁some ▁human ▁figures , ▁is ▁qu int ess entially ▁San / h unter - g ather er ▁in ▁character , ▁the ▁site ▁of ▁D rie k ops ▁E il and , ▁with ▁its ▁massive ▁pre ponder ance ▁of ▁geometric ▁eng rav ings ▁and ▁very ▁few ▁animals ▁and ▁hardly ▁any ▁human ▁figures , ▁most ▁likely ▁belongs ▁to ▁a ▁different ▁tradition ▁of ▁rock ▁art , ▁now ▁believed ▁to ▁be ▁a ▁separate ▁K ho ek ho e ▁her der ▁rock ▁art ▁tradition . ▁This ▁has ▁been ▁a ▁persu as ive ▁argument , ▁and ▁the ▁distribution ▁of ▁sites ▁with ▁geometric ▁rock ▁art ▁appears ▁to ▁match ▁the ▁hypoth es ised ▁migration ▁routes ▁by ▁which ▁her ders ▁are ▁thought ▁to ▁have ▁spread ▁through ▁South ▁Africa ▁about ▁ 2 0 0 0 ▁years