isolates office fires. Thenthey say that the interior of the building collapsed within its own footprintand was followed by the external walls that had become a hollow shell. Thus,according to NIST, the videos that exist only show the collapse of the externalwalls.Well those are the official explanationsprovided by NIST that was tasked by the Bush administration to investigate thecauses of the collapse, in another words, if we think the US governmentis telling the truth we must believe in these explanations.Now let's point out some observations that canbe made in numerous videos of the collapses that make the officialexplanation, at least, forced and the mainstream media chose not to show(censored?), or show, but did not emphasize the most important points.The three WTC buildings were the only high risebuildings to collapse due to fire damage before and after September 11, thisnever happened before or again. A few examples are the OneMeridian Plazabuilding with 38 storeys, in Philadelphia,caught fire on February 23, 1991 that lasted 18 hours, spread over 8 floors butnot collapsed.One Meridian Plaza BuildingOn October 17, 2004, a building in Caracas with 56 floors,built in 1976, caught fire which lasted 17 hours and spread over 26 floors andnot collapsed.Caracas, October 17, 2004In February 2005 there was a huge fire at the Windsor Tower,a skyscraper in Madridthat lasted about 20 hours and the building, once again, not collapsed. We seein the picture clearly that the building was engulfed in flames, but at the endthe structure remained standing. Windsor Towerin flames and after the fire A significant information about the fire thatmost people do not know is that when he has this whitish yellow color like inthe picture is because it's burning up too much oxygen. In the case of the WTCthe fire was dark red with very dark smoke indicating that there was hardly anymore oxygen to burn, and without oxygen the fire is extinguished and does notburn. WTC in flamesIn the wreckage of the WTC were found pools ofmolten metal and even though it rained between 14 and 21 September, having beenused fire retardant and water, firefighters managed to extinguish the fire onlyon December 13. Do not forget that steel (the metal used in the structure ofthe WTC) melts only at 1510Cand burning office furniture can come in the most favorable conditions, even withjet fuel to 760o C. For NIST's theory to work, the steel would have to reach atleast 980o C. Below is a picture taken in infrared by NASA which was recordedsurface temperatures a few days after September 11. The molten metal found byworkers at ground zero were with temperatures twice as high, for being in thebasement and the elevator shafts, well below the surface. Molten metal Temp registered by NASADuring the collapse of the Twin Towers,metal rods weighing many tons were ejected sideways more than 150 meters at speedsexceeding 100 km/h(or 60 mph).A video that can be viewed on YouTube (http://www.youtube.com/watch?v=eHnLlwqiu0A) shows an analysis by David Chandler, where he explained howit calculated the horizontal velocity of these objects.Metal been ejected sidewaysA section of the building weighing more than300 tons was