The Loophole Behind NYC's Skinny Skyscrapers

New York has always been home to some of the world’s tallest towers, but in the last 10 years the city has seen an influx of super skinny buildings towering over Central Park, built exclusively for the ultra-rich. With demand for luxury high-rise vistas being higher than ever, building developers are using every zoning opportunity they can to push height limits – and there’s one loophole that’s helping make that happen.