New Yorkers often claim that staying fit is purely a matter of opting for a long walk, rather than taking the subway or hailing a cab. And perhaps there is no better urban substitute for a leg-strengthening exercise than crossing the steep Williamsburg Bridge, as musician Harry Styles has made a habit of doing during his recent extended stay in the city.
On St. Patrick’s Day, the British pop star wore a navy Prada windbreaker and a weathered pair of black Adidas Sambas (no green in sight,…

