A cold night in an Italian piazza. The air carries the scent of roasted chestnuts, espresso, and wood smoke—but here, under the halo of fairy lights, the smell is unmistakably different. Oil. Sugar. Processed salt. A small crowd stands in front of a street cart, its bicycle frame weighed down with canisters, bags, and the faint hum of a generator. The vendor moves with practised speed, ladling batter, folding paper, handing over parcels of deep-fried comfort. The queue is patient, hands buried in pockets, eyes following the ritual as if it were part of the winter tradition. Beyond the cart, a carousel spins in soft blur, its music faint against…