New York City Advertisement, New York City, United States

The New York Public Library, which has the largest collection of any public library system in the country, serves Manhattan, The Bronx, and Staten Island. Queens is served by the Queens Borough Public Library, which is the nation's second largest public library system, and Brooklyn Public Library serves Brooklyn. The New York Public Library has several research libraries, including the Schomburg Center for Research in Black Culture.
Transportation
Mass transit in New York City, most of which runs 24 hours a day, is the most complex and extensive in North America. About one in every three users of mass transit in the United States and two-thirds of the nation's rail riders live in New York and its suburbs. The iconic New York City Subway system is the busiest in the Western Hemisphere, while Grand Central Terminal, also popularly referred to as "Grand Central Station", is the world's largest railway station by number of platforms. New York's airspace is one of the world's busiest air transportation corridors. The George Washington Bridge is the world's busiest motor vehicle bridge.