Right then
The serious planning for #CrossBorderRail South East Europe has to start with *what rail borders* do I want to investigate
These are all now as pins in the map
https://umap.openstreetmap.fr/en/map/crossborderrail-south-east-europe_991708#7/43.619/20.660
The emphasis: ALL the places where lines exist between non-EU countries in SE Europe, external borders of the EU, and a couple of Croatian borders I am missing
Dark blue: must visit
Light blue: either have visited before and don't need re-checking, or are insignificant but could be added