突破孤立隔絕、僵化不變的史學(xué)成見，Henry Louis Gates Jr.博士講述從人類誕生到二十世紀(jì)，二十萬年來非洲的文明進(jìn)化。　　In his six-hour 3 part series, Africa's Great Civilizations, Henry Louis Gates, Jr. takes a new look at the history of Africa, from the birth of humankind to the dawn of the 20th