" Then, I saw a huge cloud of smoke heading in my direction and a man running in front of it. I started to run too."
Burning fuel from the plane at about 1,800 degrees Fahrenheit softens the steel construction of 2 WTC tower. Second hit but collapsed first, after only 47 minutes.
417 m/1,368 ft high 1 World Trade Center building collapses. The whole area is on fire.
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