China's Tallest Building Catches Fire, Does Not Collapse

Shanghai's World Financial Center, the tallest building in China upon completion, defied all known physics yesterday afternoon when it caught fire but did not collapse, a modern day miracle in light of the commonly accepted premise that since 9/11, all steel buildings that suffer limited fire damage implode within two hours.

Read the article here:

http://www.prisonplanet.com/articles/august2007/150807_not_collapse.htm

Now will somebody explain to me how WTC building 7 fell at almost
free fall speed from fires.