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Constructed in 1977, the Citicorp Center is a monumental feat of architectural style and engineering. Originally designed by architect Hugh Stubbins Jr. and engineered by William LeMessurier, the structure boasts 1.3 million square feet of space and a construction cost of approximately $880 million in today's dollars. Located in a densely populated area of New York, its position was complicated by the need to preserve the historic St. Peter's Lutheran Church on the site.