Construction is closing in on the final floors of 520 Fifth Avenue, an 88-story mixed-use supertall skyscraper in Midtown, Manhattan. Designed by Kohn Pedersen Fox and developed by Rabina, the 1,000-foot-tall structure will span 380,000 square feet and yield 100 condominium units, a residents-only amenity floor on level 88, boutique office floors on the lower levels, a…
