I don't do north of the river in Cambridge, especially after dark - the delineations of my world are a curve of the Cam intersected by the railway line.
But a friend's birthday get-together at recently-opened Thirsty Cambridge took me across a literal as well as metaphorical border to Mitcham's Corner.
North-of-the-river Cambridge is a bit like East London - urban, edgy and gentrifying.
As its only wine bar, Thirsty has something of a captive audience.
The set-up is simple - long benches, low mark-ups, a range of mostly classic Old World wines and a different mobile street-food van parked outside every night. Plus craft beers on tap.
In our makeshift 6th form common room, the talk was of second marriages and third careers, of funerals and grandchildren rather than the iconoclasm of radical politics and the world set to rights.
A return visit is but a matter of time.
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