“阳光信访”一句空话？ 四川800民师省教育厅上访遭暴力清场 (800 teachers protest in front of Department of Education in Sichuan, cleared out by violence) Radio Free Asia, April 19, 2017 http://www.rfa.org/mandarin/yataibaodao/renquanfazhi/xl2-04192017103409.html