ologist ▁E uan ▁Mack ie ▁wrote , ▁" Like wise ▁it ▁cannot ▁be ▁doubt ed ▁that ▁important ▁regional ▁cult ures ▁existed ▁in ▁the ▁Ne ol ith ic ▁period ▁and ▁can ▁be ▁defined ▁by ▁different ▁kinds ▁of ▁stone ▁circles ▁and ▁local ▁pot tery ▁styles ▁( R ugg les ▁& ▁Bar cl ay ▁ 2 0 0 0 : ▁figure ▁ 1 ). ▁No - one ▁has ▁ever ▁been ▁r ash ▁enough ▁to ▁claim ▁a ▁nation wide ▁unity ▁of ▁all ▁aspects ▁of ▁Ne ol ith ic ▁arch ae ology !" ▁ ▁Method s ▁of ▁construction ▁Much ▁scholar ship ▁over ▁history ▁has ▁suggested ▁that ▁Stone ▁Age ▁pe op les ▁moved ▁the ▁large ▁stones ▁on ▁cyl ind rical ▁wooden ▁roll ers . ▁However , ▁there ▁is ▁some ▁disag re ement ▁with ▁this ▁theory , ▁specifically ▁as ▁experiments ▁have ▁indicated ▁that ▁this ▁method ▁is ▁imp ract ic able ▁on ▁une ven ▁ground . ▁In ▁some ▁contemporary ▁meg al ith ▁building ▁cult ures , ▁such ▁as ▁in ▁Sum ba , ▁Indones ia ▁great ▁emphas is ▁is ▁placed ▁on ▁the ▁social ▁status ▁of ▁moving ▁heavy ▁stones ▁without ▁the ▁relief ▁of ▁roll ers . ▁And ▁in ▁the ▁majority ▁of ▁documented ▁contemporary ▁meg al ith ic - building ▁communities , ▁the ▁stones ▁have ▁been ▁placed ▁on ▁tim ber ▁s led ges ▁and ▁drag ged ▁without ▁roll ers . ▁ ▁Types ▁of ▁meg al ith ic ▁structure ▁ ▁The ▁types ▁of ▁meg al ith ic ▁structure ▁can ▁be ▁divided ▁into ▁two ▁categories , ▁the ▁" pol yl ith ic ▁type " ▁and ▁the