Facts you probably didn’t know about the iconic @empirestatebldg … 1. It has an underground wind tunnel!! “It was engineered to bring in fresh air, outside air and cold air through the wind tunnel, and to supply the lower levels of the building …” . . . . #nyc #funfacts #nyckids #nyclove #nycunderground #nyclocal #empirestatebuilding #empirestateofmind #nyclife #nycexplorers #nycliving