The Doctor and Clara face their Last Christmas. Trapped on an Arctic base, under attack from terrifying creatures, who are you going to call? Santa Claus!...
突破孤立隔绝、僵化不变的史学成见,Henry Louis Gates Jr.博士讲述从人类诞生到二十世纪,二十万年来非洲的文明进化。 In his six-hour 3 part series, Africa's Great Civilizations, Henry Louis Gates, Jr. takes a new look at the history of Africa,...