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Why did one of the twin towers have an antenna?

Why did one of the twin towers have an antenna?

Only 1 WTC (north tower) actually had an antenna fitted; it was added in 1979. The truss system consisted of six trusses along the long axis of the core and four along the short axis. This truss system allowed some load redistribution between the perimeter and core columns and supported the transmission tower.

What caused a fire in the North Tower of the World Trade Center?

On September 11, 2001, the structure was substantially damaged by debris when the nearby North Tower of the World Trade Center collapsed. The debris ignited fires on multiple lower floors of the building, which continued to burn uncontrolled throughout the afternoon.

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What was the purpose of the World trade Center?

A World Trade Center is an apolitical organization that can be located in any country. It supplies businesses with access to international trade services and facilities and seeks to simplify and stimulate trade by bringing together the offices of government and industry that serve and carry on trade.

What was the purpose of the World Trade Center?

What happened to World Trade Center?

One World Trade Center (WTC 1, or the North Tower) was hit at 8:46 a.m. Eastern time and collapsed at 10:28 a.m. Two World Trade Center (WTC 2, or the South Tower) was hit at 9:03 a.m. and collapsed at 9:59 a.m. The resulting debris severely damaged or destroyed more than a dozen other adjacent and nearby structures.

How long did it take for the first tower to fall?

The 9/11 Commission believed that Flight 93’s target was either the United States Capitol building or the White House in Washington, D.C. 10:28:22: The North Tower of the World Trade Center collapses, 1 hour and 42 minutes after the impact of Flight 11.

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What was the World Trade Center and what did it symbolize?

The Twin Towers, as the centerpieces of the World Trade Center, symbolized globalization and America’s economic power and prosperity.

How many stories did the Twin Towers have?

110 stories
At 110 stories each, 1 WTC (North Tower) and 2 WTC (South Tower) provided nearly 10 million square feet of office space for about 35,000 people and 430 companies. They were the tallest buildings in New York City, and for a brief period upon their completion, they were the tallest buildings in the world.