It’s only a button.
Or is it?
You’re fenced off from the people and places that make Beijing, well, Beijing. You're cut off from much of the world by the Great Firewall. You're swabbed and sterilized daily as part of a “zero COVID” policy. Or you're the recipient of a too-enthusiastic pat-down each morning and a cheery, computer-generated thank you every time a scanner records your movements from room to room.