Carnegie Hall Tower, one of the most slender buildings ever constructed, is a colorful and memorable landmark on the Manhattan skyline. A commercial venture using Carnegie Hall’s air rights for development, the project also added square[.
Catalonia is an autonomous community of Spain and an officially recognized Catalonia comprises four provinces: Barcelona, Girona, Lleida, and Tarragona. The capital and largest city is Barcelona, the second largest city in Spain.
The Flatiron Building, originally the Fuller Building, is a triangular steel-framed landmarked building located at 175 Fifth Avenue in the borough of Manhattan, New York City, and is considered to be a groundbreaking skyscraper.