Human Rights Defender – Ai Weiwei (艾未未)

艾未未案重要证人仍被失踪 当局持续打压艺术自由表达 (Important Witnesses in Ai Weiwei Case Still Missing)
Radio Free Asia, July 11, 2011
http://www.rfa.org/mandarin/yataibaodao/aww-07112011092132.html