* Cartoons - Authoritarianism was wrapped up and packaged with cute police cartoons https://www.google.com/search?q=china+police+cartoon&sxsrf=A...
* The Red Armbands - Communist party volunteers, in the subway, and in the community keeping watch https://bitterwinter.org/red-armbands-are-watching-you/
* Passport check at sensitive locations and to buy a train ticket. To get into Tiananmen Square I needed a passport, I was denied entry to my train and separated from my group because the passport number didn't match my ticket
* Police everywhere. Literally everywhere
* I saw a a mosque surrounded by security cameras. They didn't even hide its surveillance.
* I was watched everywhere, except the great wall - but I was told cameras are being constructed there too. The feeling I had was like being in the forest of District 12 of the Hunger Games, I felt free there.
* Signs in the Hotel warn you that you DO NOT have a right to privacy, and you must register your passport or state ID