>Gao Yu, a veteran independent journalist and dissident, has been harassed by police repeatedly for visiting and posting on Twitter.
https://www.voanews.com/a/east-asia-pacific_voa-news-china_c...
It's already banned in Russia, it's not crazy to say that you could get in trouble.
Recently they have been cracking down even more. (https://www.bbc.com/news/articles/cr510de17jlo)