WTC Building 7

Actually the building was primairily made up of steel, I'm not sure if you or the History channel is wrong. And the building fell to the ground in 6.5 seconds. Even if fire did cause it to collapse, doesn't that scenario seem a little weird to you? I mean, fire has never destroyed a skyscraper ever, even so there have been buildings burning for weeks at a time that have never collapsed upon themselves before in history, and on 9/11 was the first time one actually collapsed in onto itself.

World Trade Center 7 housed SEC files relating to numerous Wall Street investigations, as well as other federal investigative files. All the files for approximately 3,000 to 4,000 SEC cases were destroyed. While some were backed up in other places, others were not, especially those classified as confidential.[49] Files relating Citigroup to the WorldCom scandal were lost.[50] The Equal Employment Opportunity Commission estimates over 10,000 cases will be affected.[51] The Secret Service had its largest field office, with more than 200 employees, in WTC 7 and also lost investigative files. Says one agent: “All the evidence that we stored at 7 World Trade, in all our cases, went down with the building.”[52] The collapse of 7 World Trade Center is remarkable because it was the first known instance of a tall building collapsing primarily by uncontrolled fires