By what name are tall buildings often referred; examples being 10 East 40th Street and Olympic Tower both situated in New York City?
10 East 40th Street: 10 East 40th Street or the Mercantile Building is a skyscraper located in the Murray Hill section of New York City, between Fifth Avenue and Madison Avenue, taking the width of the block between 39th and 40th streets. Designed by Ludlow & Peabody and built by Jesse H. Jones, it was finished in 1929 and is an example of Renaissance Revival architecture.
i don't know