I saw this sign on the door of the AllSet Learning office building that leads out to the patio:
Here’s a closeup:
Please, everyone, when going out on the balcony
close the door behind you
to prevent smog from entering the building
A young Chinese guy (presumably the one who put up the sign) came by our office to call our attention to the sign and ask for our cooperation. It was a little awkward because our window was open at the time (oops).
It’s weird… there’s a very traditional Chinese belief in a need for “fresh air” (even in the depths of winter). This air pollution problem is now quite visibly butting heads with that belief.