Beauty or beast, the modern skyscraper is a major force with a strong magnetic field. It draws into its physical being all of the factors that propel and characterize modern civilization. The skyscraper is the point where art and the city meet.Most old cities are now sclerotic machines that dispense known qualities in ever-greater quantities, instead of laboratories of the uncertain. Only the skyscraper offers business the wide-open spaces of a man-made Wild West, a frontier in the sky.