Zhong gong Gansu Sheng wei xuan chuan bu, Zhong yang dian shi tai ke jiao ping dao lian he chu pin ; Beijing bo jing wen hua chuan bo you xian gong si cheng zhi
produced by Wall to Wall Television for BBC and PBS in association with ITEL ; written and presented by Henry Louis Gates, Jr. ; directors, Nicola Colton, Nick Godwin, Helena Appio