Cov log tsheb feem ntau suav tias yog lub hnub nyoog tshaj plaws thiab tseem ceeb tshaj plaws ntawm noob neej, yog li peb feem ntau piv rau kev siv hluav taws. Qhov tseeb, keeb kwm ntawm tib neeg hluav taws kub tau tshaj li 1.5 lab lub xyoo, thiab kev siv ntawm lub log tau tsuas yog rau txhiab xyoo.
Nws tsis muaj peev xwm ua rau tib neeg yuav tsum muaj cov tsheb thauj khoom ua ntej yuav tau siv cov cuab yeej ntse thiab khov kho. Nws tsis yooj yim rau cav ntoo mus rau hauv ib lub cylindrical tsim nrog lub pob zeb twj, tsis txhob hais qhov complexity ntawm lub qhov hais tawm-puab lub log. Yog li ntawd, qhov pib ntawm lub log yuav tsuas yog tom qab lub Hnub Nyoog Bronze.
Tus kws tshawb fawb American famous anthropologist Robert Luway ib zaug hais tias txhua tus neeg uas siv lub log tsheb yog ncaj qha thiab tsis ncaj nraim kawm ntawm Babylonian. Cov Neeg Khab Asmeskaas paub tias lawv tau ntav lub nkoj ntawm lub dov ntoo, thiab lawv kuj tau siv lub vuab tsuab thiab cov hoop. Tab sis lub ntsiab lus ntawm lub log yeej tsis xav txog.
Lu Wei pom ntawm lub keeb kwm ntawm lub log yog qhov pom ntawm feem ntau cov archaeologists, tab sis tshiab archaeological discoveries feem ntau subvert qub theories. Cov ruts nyob rau hauv lub qhov ntxa Flintbek megalithic hauv Yeluxalees tau nyob nruab nrab ntawm 4800 thiab 4700 BC. Cov kaus poom uas muaj nyob hauv Bronocice, Poland, tau muab tso ua ntej 4725 BC, tab sis lub xya roj-14 ntawm kev sib koom tsim tau qhov kawg ntawm 4610-4440 BC. Cov ntaub ntawv pov thawj ntawm cov tsheb thauj khoom thauj hauv East Near tau nrhiav tau los ntawm American archaeologist Baldia nyob rau ntawm qhov chaw lig Uruk hauv Syria. Ib tug qauv nrog lub log thiab lub mural ntawm "tsheb thauj khoom" twb unearthed muaj. Cov khoom no tau tshuav ntawm cov poj koob yawg koob 6400-6500 xyoo dhau los.
Yog li ntawd, cov tsheb uas tsav tsheb yuav tshwm tuaj hauv Tebchaws Europe, thiab kis mus rau Sab Hnub Tuaj, lossis tsim los ntawm Orientals.
