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Rockefeller Center is a complex of 19 commercial buildings covering 22 acres (89,000 m2) between 48th and 51st streets in New York City, United States. Built by the Rockefeller family, it is located in the center of Midtown Manhattan, spanning the area between Fifth Avenue and Sixth Avenue. It was declared a National Historic Landmark in 1987. Source: wikipedia
New York subway car. This is one of the past models, note the circular black fan from the day before air conditioned car. It use to be brutal, the only hope you had of feeling mildly cool during rush hour when the cars were pack like sardines was to stand right under the fan to catch the breeze.