Originally Posted by
PepeM
50cc scooters are able to be ridden, unlicensed and unregistered, pretty much everywhere...
Uh, actually:
https://drivinglaws.aaa.com/tag/mopeds-other/
https://www.mopedarmy.com/wiki/Moped_Laws:_Europe
Asia is a little more complicated, varying from 'nobody cares' to 'locked up abroad'.