OnthebanksofTanzania’sLakeEyasilivestheworld’slasthunte...
問題詳情：OnthebanksofTanzania’sLakeEyasilivestheworld’slasthunter-gatherertribe(部落)—theHadza. Theydon’tgrowfood,raiseanimalsorbuildhouses. Insteadtheylivealifeunchangedformorethantenthousandyea...