Surrounded by unvaccinated people. and so, i think, in those situations, if you are not asking for proof of vaccination, everybody should be wearing a mask. because otherwise, you e've jus made that space basically unsafe for children who can't be vaccinated, for immunocompromised people. i do also think that the level of community transmission, also, really matters. think of the vaccine as a really good raincoat. if it's drizzling, we're fine. but if there is a huge hurricane or thunderstorm, you may need better protection. you may need a mask and a vaccine. and so, i do think it makes sense ...