One57 is the first of 7 new super-tall, super-thin, and super-expensive towers going up around NYC's 57th street. The 90-story blue glass skyscraper has breathtaking views of Central Park. In May, a penthouse sold for a record-breaking $90 million. Architect Christian de Portzamparc speaks to Bloomberg about his design for the building and how it's changing New York City's skyline. (Source: Bloomberg 10/2)
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