

I think those “friendship city” stuff is dumb in basically all cases.
I have never seen anything happen or be done because of that friendship, it’s all just declarations and signposts and BS job work for politicians.
I would be happy to be proven wrong though, if you have an example.
I think it’s fundamentally bad science to say:
And actually talk about mostly kids.
The abstract of the actual paper is very clear and much better: