“Neither does Peter Han, who heads up Foster + Partners’ New York office. He resolved the challenges of the site—narrow footprint, iconic neighbor—by paying extra care to the primary east and west facades. The large undulating, faceted glass that Han specified “reflect[s] the light at different angles,” making the tower “appear more ethereal, like a neverending extrusion into the sky,” he says. An elegant system of aluminum rods shields operable windows that, even dozens of stories up, let in the breeze.” –