China’s underground churches head for cover as crackdown closes in
South China Morning Post, September 10, 2017
http://www.scmp.com/news/china/policies-politics/article/2110433/chinas-underground-churches-head-cover-crackdown-closes
Activists send postcards in support of detained Chinese anti-censorship campaigner
Radio Free Asia, September 11, 2017
http://www.rfa.org/english/news/china/postcards-09082017105721.html