An exclusive look inside the $15 million renovation of the Empire State Building, with architect Frank Prial Jr. He reveals the challenges he faced trying to maintain its original Art Deco designs. From opening day in 1931 to modern times, Prial traces the history of one of the most iconic sky-aspirant buildings in the world. A film by Pamela Hamilton, PLH Media LLC. Presented by the Art Deco Society of New York.