I t’s hard to imagine now, but there was a time when rooftop bars weren’t really a thing. A time before pop-ups and contemporary outdoor sculpture parks. A time even, if you can bear to think of it, before immersive art. Way back in 2007, there was none of that – the UK was an experiential art wasteland. And then Bold Tendencies showed up, chucked a whole load of sculptures in a multi-storey Peckham car park, painted a staircase bright pink, built a cocktail bar on the roof, and changed everything. Now going into its 20th summer season, Bold Tendencies is celebrating two decades of sometimes sun-drenched, often windswept and drizzly arts programming. In that time, it has welcomed more than 3 million visitors into its concrete edifice behind Peckhamplex cinema, commissioned dozens of new artworks, hosted countless recitals and performances, built an auditorium and a concert hall, and drawn the roadmap for countless art experiences that have come in its wake. And the art’s not been too bad, either.…