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Grand Central Terminal through the years

When William K. Vanderbilt, chairman of the New York Central Railroad, threw open the doors of his new 70-acre transportation palace at midnight on Feb. 1, 1913, nearly 150,000 people poured in to marvel at the Beaux Arts beauty that was as much an engineering triumph as an architectural wonder. Over the 100 years, some things have changed, others have remained remarkably the same.