刘晓波狱中渡60岁寿庆 粤人祝贺辞未被删 (Liu Xiaobo turns 60 behind bars, Guangzhou citizens’ birthday greetings not deleted from the internet) Radio France Internationale, December 28, 2015 http://cn.rfi.fr/中国/20151228-刘晓波狱中渡60岁寿庆-粤人祝贺辞未被删