This function would be one of the last remaining things I’d use on FB (the others being marketplaces & messenger - I disabled the news feed a while back and don

This function would be one of the last remaining things I’d use on FB (the others being marketplaces & messenger - I disabled the news feed a while back and don’t use FB on mobile). Unfathomable to me. I’d really like to see who of my friends are in a given city so when I go visit said city I can reach out and say hi. Don’t really understand it either