In which Bulgaria drains the Black Sea.At least those do have endpoints. There is a bunch of thin lines going from London over southern Sweden into Finland... and then just fading out there.
Unfortunately reddit didn't give any information of what that map is about or from where it hailed, so what those black lines and dots are even meant to represent we have zero clue.
Anyways, have some fries:
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Also, Pink Note Portuguese Africa, Mittelafrika, Austria-Poland, and Footprint of Mussolini Italy (screaming in Slovenian).