"People keep finding meticulously crafted hollow dodecahedrons throughout Europe dating back to the Roman Empire but historians have no idea what they're supposed to be used for as there's no historical record of them anywhere. Theories range from dice to knitting."
But luckily there is not such a border bs going on. All part of the eu.
Where you can move your front door if you want to move your house from one country to the other if you have a house on top of one of all the boarders crisscrossing the town/towns :)