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Breathtaking Views Atop New York Skyscrapers Are Big Business

The three viewing platforms, which stand at 850 feet or higher, attract more than 9 million visitors combined each year. At around $30 a head, that comes to about $270 million in annual revenue before adding money made from food, beverage and souvenirs. Related Cos. plans to open an observation deck in 2020 atop a 1,296-foot tower in its sprawling Hudson Yards development. “We believe there is an incredible latent demand for the observation experience in the New York tourism market,” said Robert Schiffer, a managing director at SL Green.