The design style of the pre-September 11, 2001 towers was far from the usual. The weight of the building was carried by the external walls and not the inner column. The support columns were not floor-to-ceiling. The straight up columns of the external walls were tightly spaced which resulted in spacious offices and could endure high velocity winds. Yamasaki’s design also featured the Sky Lobby system. The building was divided into three zones, each with a lobby. The first, forty-first and seventy second floors had a lobby each. To ride up a zone, people had to cross a lobby after getting off from an elevator and got into another one across it. (Britton; About WTC).
"There is an attractive element in the colossal. What visitor is insensitive before the Pyramids? And what is the source of this admiration if not the immensity of the effort and the grandeur of the result? The Tower will be the tallest structure ever built by man. Will it not be grand in its own right?"-Gustave Eiffel (Tyson). The builders and investors of World Trade Centre envisioned leaving people awe-inspired by its towering magnificence, just like the builders of Eiffel tower had. World Trade Centre was a symbol of a capitalist society that America was. The Twin Towers were predicted to be 100 feet higher than the Empire State building. (Tyson)
World Trade Center consisted of 7 towers which were leased to tenants, used as commercial offices, had shops, used as trading centers and mercantile. (Emporis). 6 World Trade Center housed United States Customs. The Top of the World Observatory is located on 2 World Trade Center and is open to public after going through a security check. It has two decks which are both indoor and outdoor. A spectacular view of Manhattan could be enjoyed from the 110th floor. Tower 3 WTC is called Marriott World Trade Center and houses hotels.
On the morning of September 11, 2001, World Trade Center met its fate. Two passenger planes hijacked by