To find the most romantic spot in Romeo and Juliet’s home city of Verona, you must take a dual carriageway out of the picturesque centre, then turn down a ramp into a decrepit industrial estate. Beyond the cemetery, next to a railway siding, is an office whose stock-in-trade is people’s most passionately guarded secrets, their deepest hopes and fears. The headquarters of the Club di Giulietta (Juliet’s Club) is also the inspiration for a soon-to-be-released movie…