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When the Twin Towers were completed, the total costs to the Port Authority had reached $900 million. [89] The ribbon-cutting ceremony took place on April 4, 1973. [90] In addition to the Twin Towers, the plan for the World Trade Center complex included four other low-rise buildings, which were built in the early 1970s.
At the time of their completion the "Twin Towers"—the original 1 World Trade Center (the North Tower), at 1,368 ft (417 m), and 2 World Trade Center (the South Tower)—were the tallest buildings in the world. The other buildings in the complex included the Marriott World Trade Center (3 WTC), 4 WTC, 5 WTC, 6 WTC, and 7 WTC.
The Port Authority hired architect Minoru Yamasaki, who came up with the specific idea for twin towers. The towers were designed as framed tube structures, which provided tenants with open floor plans, uninterrupted by columns or walls. This was accomplished using numerous closely spaced perimeter columns to provide much of the strength to the ...
The twin towers represented America's strength for decades. Now, a new tower stands in their place, proving America's resilience in the face of tragedy.
The twin towers at 1 and 2 World Trade Center were designed as framed tube structures, giving tenants open floor plans, unobstructed by columns or walls. [ 20 ] [ 21 ] One World Trade Center was the North Tower, and Two World Trade Center was the South Tower. [ 22 ]
Fires from the crashes at the Twin Towers, made worse by the planes’ ignited jet fuel, badly damaged the buildings’ steel. At 9:59am, after burning for 56 minutes, the South Tower collapsed. ...
Images of the burning twin towers were plastered on newsstands everywhere, below passionate headlines of 'Outrage,' 'Terror!' and 'It's War.' Few questions were answered immediately -- one British ...
The North Tower lasted around 46 minutes longer than its twin, having been struck 17 minutes before the South Tower was attacked and standing another half-hour after the South Tower collapsed. This was because Flight 11 struck more or less in the center, causing more symmetrical impact damage to the North Tower's core and leaving more of its ...