[Tagging] Area country borders

[Snusmumriken]

On Mon, 2020-01-27 at 17:35 +0000, Paul Allen wrote:
> I just encountered this video 
> https://www.youtube.com/watch?v=Mw44wHG4KOc explaining that the
> border between Germany and Luxembourg, along the Moselle river, is
> not a line in the centre of the river but is the entire width of the
> river.  If you're in a boat on the river, or on the bridge crossing
> it, you're legally in two countries simultaneously.
> 
> Do we have a way of mapping this?  Should we have a way of mapping
> this? 

>From what I can tell, it was already been done.