Since 2,750 people had been mortally injured or died in the attack, hardly anyone cared about the collapse of an empty skyscraper, no matter how novel.
The city lost 300,000 jobs during the recession in the early 1990's, leaving many new skyscrapers empty and bankrupt.
The firm finished the interior of an empty skyscraper at 1540 Broadway, at 45th Street, after it was bought by Bertelsmann, the German media and entertainment conglomerate.
Its sale could mean that the commercial real estate market in Detroit - a city known for empty skyscrapers with beautiful architecture - is improving.
In 1995, the company moved to two empty skyscrapers in Times Square with almost 6,000 employees.
Hassan has a whole floor on one of those empty skyscrapers, and at the door, Klieg is met by two big men who look like they might be contenders for the Siberian Olympic wrestling team.
But as anyone knows who has gazed upon the empty skyscrapers thrown up during the mid-1980's construction boom, driven by real-estate tax breaks, all investment is not socially productive investment.
A5 An empty skyscraper in Warsaw, one of the city's tallest, is like many projects in Poland.
Construction of the towers is now on hold, because the last thing midtown Manhattan needs is four new empty skyscrapers.
It's similar to staggering shell-shocked in alien territory occupied solely by foreboding empty skyscrapers.