China commemorates Hong Kong’s Basic Law by restricting it
The Diplomat, May 30, 2017
http://thediplomat.com/2017/05/china-commemorates-hong-kongs-basic-law-by-restricting-it/
What more does China want from Hong Kong 20 years on from handover?
South China Morning Post, May 30, 2017
http://www.scmp.com/news/hong-kong/article/2096227/what-more-does-china-want-hong-kong-20-years-handover