DescriptionZhengYongnian.jpg English: Photograph of the political scientist ZhengYongnian Date 7 January 2009, 03:27:20 Source ZhengYongnian Author Zheng Yongnian
DescriptionZhengYongnian 2.jpg English: Photograph of the political scientist ZhengYongnian Date 5 October 2012, 10:43:51 Source ZhengYongnian Author Zheng Yongnian