Loopy skyscraper plan for New York

A New York architect is floating designs for a striking hairpin-shaped tower next to central park that would stand out as the longest building in the world rather than one of the tallest.Concepts for what is being called The Big Bend propose a slender arched structure that would measure 1.22km in length from end to end, effectively nearly double the height of towers like the Burj Khalifa.It would straddle another building on Billionaire’s Row on 57th Street, creating a world-class str