Piet Boon designed the leather banquette shown here specifically for his Huys project. For more on Boon's furniture design, visit the first-floor gallery at 404 Park Avenue South. The ceilings are 11'5" tall and feature original beams that have been painted over in a cool white.  Photo 4 of 6 in 5 Great Rooms from New Dutch Apartment Huys in New York City