Kohn Pedersen Fox adding glass elevator to supertall skyscraper in New York

Glass elevators and an observation deck are under construction at the top of Kohn Pedersen Fox's supertall skyscraper One Vanderbilt in New York.
Called Summit One Vanderbilt, the observatory and elevator ride is being built near the top of the1,401-foot-tall (427 metres) building next to Grand Central Station in Midtown Manhattan.
Summit One Vanderbilt includes an observation deck and glass elevators
Kohn Pedersen Fox designed One Vanderbilt and Summit One Vanderbilt for developer SL Green Real