The censorship is all done via site-blocking. See item 3. There are no cops looking over your shoulder in the netcafes; whoever decided to use that photo is a moron.

• 网络审查是通过封锁网站来实现的。参考第三条。但是在网吧里并没有警察从你后面窥视。使用那张照片（试图证明警察对网吧进行监控）的人简直是低能儿。