WTC4 & WTC5 were right beneath the Towers and they DID NOT COLLAPSE. WTC7 was 2 block away from the towers. No airplane hit on that STEEL STRUCTURE 47 STORY skyscrapper, yet it came down FREEFALLIN in 6.5 seconds on 9/11. The whole building came down all those steel support column did not do any resistance at all. Because the conrolled demolition charges were taken them out mili-seconds ahead of the collapse..