The sale of the 6,300-square-foot unit marks one of the biggest of the year in New York City's luxury market
"Whenever you have choice, you’re going to have hesitancy"
CityRealty matches record athletic paces against Manhattan skyscraper heights
Despite a slowdown in the ultra-luxury market, new developments expected to gross $30 billion by 2020
One unit in tower worth 10 average-priced Manhattan apartments
CityRealty uses Google Earth and 3-D mockups to depict impact of skyscrapers