The world's skinniest skyscraper has been completed, adding a new landmark to Manhattan's famous skyline. Steinway Tower, or 111 West 57th Street, has a height-to-width ratio of 24:1, making it "the most slender skyscraper in the world," according to
The project, with SITELAB urban studio serving as lead urban designer, includes the architecture firms Grimshaw Architects, Heatherwick Studio, SHoP, Kohn Pedersen Fox, and others...