Hoo e ka bang limilione tse 3.6 tse fetileng, ke mang ea thehileng Litlhaku tsa Laetoli?
Ho ile ha fumanoa mothati oa mehato e metle ea maoto a bolelele ba limithara tse 88 ka 1978, 'me bo-ralipolotiki ba lumela hore ke e' ngoe ea lintho tse hlollang ka ho fetisisa tse tšehetsang khopolo ea ho iphetola hoa batho ho fihlela joale.