And this from the university of Oregon. Their animation reminds of the viozualization doen by the Fiunis a week or ten days ago, in supermarkets.
Air streams from open windows and ventilators/air conditioners must be considered, 6 feet social distance are not enough.
I say: both inside or outside: if interacting with other people, if you can take a posiiton where you have the naturla wind or any artificial air stream in your rear, or less ideal: on your side. Do not accept it to have it in your face.
https://www.cbsnews.com/news/coronav...urants-reopen/