血书“六四”华涌被转罚劳教 旅行华南张林突然失踪 (Hua Yong Sent to Reeducation-Through-Labor for Commemorating Tiananmen Square Crackdown Artistically in Square) Radio Free Asia, July 17, 2012 http://www.rfa.org/mandarin/yataibaodao/ql2-07172012091350.html