100% Correct @AccessBlaster
Every airport you pass through requires that you take off your glasses, then stand on the green feet for the photo.
And that is just seconds after they have scanned your passport.
I passed through Hong Kong on my way to Australia. Phones were off because they wouldn't work outside UK.
When I got back to the UK I switched on and there was a message; "Welcome to Hong Kong"
In England FR cameras are all over the place. Buses railway stations, shopping centres. Even your local Co-op
has had them for a couple of years. Totally unavoidable today.