New York, NY 50 United Nations Plaza, a Zeckendorf Development luxury residential development designed by Foster + Partners hosted an event on June 7th. The evening was an exquisite celebration of the completed Duplex Penthouse. Guests enjoyed cuisine catered by Danny Meyer’s Union Square Events and incomparable New York Skyline views from the Duplex Penthouse. The 10,000 s/f penthouse is currently on the market for $70 million. Over 200 of New York City’s most high profile real estate professionals were in attendance.