I have done this.
in a multistorey car park?
meet a man in a trenchcoat and trade all your Garbage Pail Kids cards
Abseil off the top
judging by the smell - take a piss in the stairwell
Terribly sorry, I hadn’t realised you were all mortals.
Man is but mortal
Judging by the sight - take a piss off a great height
Record a reverb-heavy guitar line
Write “clean me” in the dirt on a dirty car.
You shouldn’t take a bike to a multistorey car park in my opinion
Watch Glenn Branca play a gig (Peckham only).
Play spin the bottle
I have done this (not Glenn Branca though, someone else)
Just imagining a community event to “fix up the multistorey car park” and loads of lovely volunteers turn up and Polyfila the pillars and give the place a lick of paint and collect litter or whatever. That would be really funny to me if I saw that.
Go to an art exhibition (Soho only).