I've noticed that the latest censorship technique on twitter is to flood trending hashtags with porn e.g currently #乌鲁木齐 (Urumqi) is trending but it's impossible to get much footage because of all the smut
https://twitter.com/badiucao/status/1596247280712982528
Nanjing
https://twitter.com/jenniferzeng97/s...85219116527616
Beijing
https://twitter.com/jenniferzeng97/s...21521781202944
https://www.bbc.com/news/world-asia-china-63766125