this post was submitted on 02 Dec 2025
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How common are men-women friendships on Facebook? (jlai.lu)
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[โ€“] rustydrd@sh.itjust.works 7 points 3 weeks ago (1 children)

This phenomenon is called a phantom border, and Germany is not the only example (but one that is really striking on lots of maps). Poland is another example, as are the Southern US.

[โ€“] Zagorath@aussie.zone 3 points 3 weeks ago

You can even get it within a single city. Sydney's "Red Rooster line" is a well-known example here in Aus.