Map Men

Why British cities make no sense (4x2)

:

Why is Reading, a massive settlement of 170,000 people, NOT a city, while the tiny Welsh village of St Davids IS a city? Is it something to do with cathedrals? Or universities? Or is it a surprisingly simple answer which only raises more questions about how city status works in the UK, and merits a ten minute video? (No, no, and yes.)