Công cụ bằng đá 3,3 triệu năm
Cập nhật: 08:08 16/04/2015 GMT+7
Các nhà khoa học Mỹ phát hiện những công cụ bằng đá lâu đời nhất tại Kenya, với niên đại khoảng 3,3 triệu năm.
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4buq4bu34buqxq/hu5jhu5JL4bu3TOG6tk3hu7dLTeG7nuG7kkvhu7dAWcOa4buS4bu34bq+UeG7t2Phu4Lhu5Ik4bq24buS4buqTMav4buY4bum4buw4buo4bu3TOG7mELhur7hu7fhurbhu7Dhu6jhu6rGr+G6tsOU4buY4bumTeG7qkzhu4Lhur5N4buS4buC4buo4bu34buqw4Lhu5jhu7fGr+G6tuG7q3Yv4bumd3bhu6bhu7fhur7DlOG6tuG7qOG7qHThu7Xhu6Y04buY4buAJOG7tXdtTOG7guG7mOG7t0Dhu5Lhu4I94bumxq/hu4Lhu6jhu6h2L+G7pnc=