Checkpoints are everywhere in China's 15-minute cities.

Even grocery shopping at the wet (farmer) markets requires you to verify your vaccine passport with a QR code & face scan.
Most Chinese townspeople are living in 15-Minute cities —— Gated Compounds.

China is reactivating the COVID tracking app, aka vaccine passport, and turning it into ''Citizen Code'' app to track citizens' every move

Soon you need to scan a QR code to get in and out of your home