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How & Why the World Trade Center fell on 9/11 PDF Print E-mail
History - 9/11 Conspiracy

47-story steel frame World Trade Center Building 7 was not hit by any aircraft, yet collapsed symmetrically

47-story steel frame World Trade Center Building 7 was not hit by any aircraft, yet collapsed symmetrically

Study the video for yourself and notice:

  • The roofs dips inward
  • Explosions are visible running up on the right side
  • Explosions are visible in the front
  • Simultaneous symmetrical collapse (all joints fail at the same time)
  • Falls at free-fall speed
  • Falls into its own footprint without damaging surrounding buildings

How WTC 7 Collapsed

Take a close look at the manner in which WTC 7 collapses straight down. For a building to collapse in this fashion, all of the load bearing supports would have had to fail at exactly the same time.

The FEMA and NIST claims that the collapse was the result of a fire requires the fire be equally distributed throughout each of the entire floors of the building, providing equal heat for an equal amount of time, so that all the load bearings members would fail at the exact same moment.

How can this be plausible?

"Amazing, incredible, pick your word. For the third time today, it's reminiscent of those pictures we've all seen too much on television before, where a building was deliberately destroyed by well placed dynamite to knock it down."
CBS News anchor Dan Rather commenting on the collapse of Building 7 - September 11, 2001 at approx 5:30pm EST.

Photo of fires in World Trade Center Building 7
Photo of fires in World Trade Center Building 7
Photographs of the fires in World Trade Center 7, as well as video of the building, show there was no raging inferno, but rather only small office fires on just two floors.

If the FEMA collapse report were true then the fires shown would have been burning throughout entire floors, not just in a few spots.

Consider the facts:

  • The fires in WTC 7 were not evenly distributed, so a perfect collapse was impossible.
  • WTC leaseholder Mr. Silverstein said to the fire department commander "the smartest thing to do is pull it."
  • Firefighters were told to withdraw from the area, stating the building was going to "blow up". Watch it for yourself
  • WTC 7's roof crumbled and the building subsequently collapsed perfectly into its footprint.
  • Molten steel and partially evaporated steel members were found in the debris.


Timeline of the WTC collapses on 9/11

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  • 10:05 am: The World Trade Center's south tower collapses, plummeting into the streets below.
  • 10:28 am: The World Trade Center's north tower collapses from the top down as if it were being peeled apart, releasing a tremendous cloud of debris and smoke.
    [WTC 3 (also known as the World Trade Center Hotel, the Vista Hotel, and the Marriott Hotel) was almost completely destroyed...due to debris from the collapse of the adjacent WTC 1 and WTC 2. - According to FEMA's report]
  • 4:10 pm: The World Trade Center's building 7 is reported on fire.
  • 5:20 pm: The 47-story Building 7 of the World Trade Center complex collapses. The evacuated building is damaged when the twin towers across the street collapse earlier in the day. - According to CNN

"Almost lost in the chaos of the collapse of the World Trade Center is a mystery that under normal circumstances would probably have captured the attention of the city and the world. That mystery is the collapse of a nearby 47-story...Building 7 didn't get much attention in the media." - New York Times (11/29/01)


NIST Whistle-blower Scientifically Explains

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In an information-packed presentation of 58 minutes Kevin Ryan delivers a damning indictment of the official investigations of the total collapses of the Twin Towers and Building 7. Ryan's solid scholarship and application of the scientific method stands in stark contrast to the official investigations, whose dishonesty and corrupt anti-scientific methods Ryan exposes in abundance.



Ryan explains details of the investigation by the National Institute for Standards and Technology (NIST) not acknowledged by the Institute, such as its failure to experimentally verify the floor pancake theory, forcing it to invent a new theory about the Towers' collapse. Ryan notes commonalities in the WTC investigations by NIST and FEMA, and the investigation of the 1995 Oklahoma City Building, such as a high degree of overlap in the leaders of the respective investigations.

Ryan unquestionably qualifies as a whistleblower. Having been promoted to the top manager of Underwriter's Laboratories water testing division, Ryan was dismissed on November of 2004 after an e-mail from him to Dr Frank Gayle of NIST questioning the collapse of the twin towers became public.


Why Indeed Did the WTC Buildings Collapse?

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by Steven E. Jones, Ph.D.
Excerpts from "Why Indeed Did the WTC Buildings Collapse?"
"In this paper, I call for a serious investigation of the hypothesis that WTC 7 and the Twin Towers were brought down, not just by impact damage and fires, but through the use of pre-positioned cutter-charges. I consider the official FEMA, NIST, and 9-11 Commission reports that fires plus impact damage alone caused complete collapses of all three buildings. And I present evidence for the controlled-demolition hypothesis, which is suggested by the available data, and can be tested scientifically, and yet has not been analyzed in any of the reports funded by the US government."


"Thirteen Reasons to Challenge Government-sponsored Reports and Investigate the Controlled-demolition Hypothesis"


  1. Molten Metal: Flowing and in Pools
  2. Observed Temperatures around 1000°C and Sulfidation in WTC 7 Steel
  3. Near-Symmetrical Collapse of WTC 7
  4. No Previous Skyscraper Complete Collapse Due to Fires
  5. Squib(Explosive)-timing during the Collapse of WTC 7
  6. Early Drop of North Tower Antenna
  7. Eyewitness Accounts of Flashes and Loud Explosions
  8. Ejection of Steel Beams and Debris-plumes from the Towers
  9. Rapid Collapses and Conservation of Momentum and Energy
  10. Controlled Demolition "Implosions" Require Skill
  11. Steel Column Temperatures of 800°C Needed: A Problem in the Argument of Bazant and Zhou
  12. Problems in the NIST Report: Inadequate Steel Temperatures and Tweaked Models
  13. NIST's Failure to Show Visualizations

I have called attention to glaring inadequacies in the "final" reports funded by the U.S. government. I have also presented multiple evidences for an alternative hypothesis.

In particular, the official theory lacks repeatability in that no actual models or buildings (before or since 9-11-01) have been observed to completely collapse due to the proposed fire-based mechanisms. On the other hand, hundreds of buildings have been completely and symmetrically demolished through the use of pre-positioned explosives. And high-temperature chemical reactions can account for the observed large pools of molten metal, under both Towers (WTC 1 & 2) and WTC 7, and the sulfidation of structural steel. The controlled-demolition hypothesis cannot be dismissed as "junk science" because it better satisfies tests of repeatability and parsimony. It ought to be (seriously and scientifically) investigated and debated.

A truly independent, cross-disciplinary, international panel should be formed. Such a panel would consider all viable hypotheses, including the pre-positioned-explosives theory, guided not by politicized notions and constraints, but rather by observations and calculations, to reach a scientific conclusion. If possible it would question, under oath, the officials who approved the rapid removal and destruction of the WTC steel beams and columns before they could be properly analyzed.

None of the government-funded studies have provided serious analyses of the explosive demolition hypothesis at all. Until steps (towards a serious investigation) are taken, the case for accusing ill-trained Muslims of causing all the destruction on 9-11-01 is far from compelling. It just does not add up.

And that fact should be of great concern to Americans. Clearly, we must find out what really caused the WTC skyscrapers to collapse as they did. The implications of what happened on 9/11/2001 clearly supercede partisan politics. Physics sheds light on the issue which we ignore to our peril as we contemplate the wars that have been and may yet be justified on the basis of the 9/11 tragedy and its "official" interpretation.

To this end, NIST must release the 6,899 photographs and over 300 hours of video recordings - acquired mostly by private parties - which it admits to holding (NIST, 2005, p. 81). Evidence relating to WTC 7 and its mysterious collapse must not be held back. In particular, photos and analyses of the molten metal observed in the basements of both Towers and WTC 7 need to be brought forth to the international community of scientists and engineers immediately. Therefore, along with others, I call for the release of these and all relevant data for scrutiny by a cross-disciplinary, international team of researchers. The explosive-demolition hypothesis will be considered: all options will be on the table.



Understanding Thermite/Thermate

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How Building Implosions Work


Why WTC 7 Collapsed

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About the World Trade Center Building 7

"A private developer little known to the general public, Silverstein signed a 99-year lease for the twin towers just six weeks before the attack. His lease with the Port Authority of New York and New Jersey remains in place, making Silverstein, 72, a key figure in the rebuilding of the site." - CBS Interactive

"In April, the Port Authority granted a 99-year lease of the twin towers and four other buildings to Silverstein for an estimated $3.2 billion. The deal -- which allowed Silverstein to manage the complex and collect rent -- was said by the Port Authority to be the most expensive real estate transaction in New York history." -CNN (09/12/01)

Larry Silverstein, the owner of the WTC complex, admitted on a September 2002 PBS documentary, 'America Rebuilds' that he and the NYFD decided to 'pull' WTC 7 on the day of the attack. The word 'pull' is industry jargon for taking a building down with explosives.

In a September 2002 PBS documentary called 'America Rebuilds,' Mr. Silverstein states, in reference to World Trade Center Building 7:

"I remember getting a call from the, er, fire department commander, telling me that they were not sure they were gonna be able to contain the fire, and I said, "We've had such terrible loss of life, maybe the smartest thing to do is pull it. And they made that decision to pull and we watched the building collapse."
Watch and listen to Mr. Silverstein describing how and why WTC 7 came down:

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In the same program, 'America Rebuilds,' an onsight worker referred to the demolition of WTC 6: "... we're getting ready to pull the building six."

Watch and listen to WTC 6 demolition being described:

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How can anyone doubt the word "pull" is being used in the demolition context for both WTC 7 & 6? A payout of $500,000,000 might make an argument to doubt the reference.

In February of 2002 Silverstein Properties won $861 million from Industrial Risk Insurers to rebuild on the site of WTC 7. Silverstein Properties' estimated investment in WTC 7 was $386 million. So: This building's collapse resulted in a profit of about $500 million!


Government Cover-up found on US State Department website

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US State Dept. Ironically "Identifies Misinformation"
http://usinfo.state.gov/media/Archive/2005/Sep/16-241966.html writes:

Facts: On September 9, 2005, Mr. Dara McQuillan, a spokesman for Silverstein Properties, issued the following statement on this issue:


Seven World Trade Center collapsed at 5:20 p.m. on September 11, 2001, after burning for seven hours. There were no casualties, thanks to the heroism of the Fire Department and the work of Silverstein Properties employees who evacuated tenants from the building.

The Federal Emergency Management Agency (FEMA) conducted a thorough investigation of the collapse of all the World Trade Center buildings. The FEMA report concluded that the collapse of Seven World Trade Center was a direct result of fires triggered by debris from the collapse of WTC Tower 1.

In the afternoon of September 11, Mr. Silverstein spoke to the Fire Department Commander on site at Seven World Trade Center. The Commander told Mr. Silverstein that there were several firefighters in the building working to contain the fires. Mr. Silverstein expressed his view that the most important thing was to protect the safety of those firefighters, including, if necessary, to have them withdraw from the building.

Later in the day, the Fire Commander ordered his firefighters out of the building and at 5:20 p.m. the building collapsed. No lives were lost at Seven World Trade Center on September 11, 2001.

As noted above, when Mr. Silverstein was recounting these events for a television documentary he stated, "I said, you know, we've had such terrible loss of life. Maybe the smartest thing to do is to pull it." Mr. McQuillan has stated that by "it," Mr. Silverstein meant the contingent of firefighters remaining in the building.

The National Institute of Standards and Technology has stated unequivocally, "NIST has seen so evidence that the collapse of WTC 7 was caused by bombs, missiles, or controlled demolition," in its Collapse of WTC 7 report (p. 6). NIST's working hypothesis for the collapse of WTC 7 is that it was caused by the collapse of a critical column due to "fire and/or debris induced structural damage." There was substantial damage to WTC 7 when the nearby WTC 1 tower collapsed and fires began shortly afterwards. Also, WTC 7 was a very unusual building because it was built over an existing Con-Edison power generation substation, which contained two large 6,000 gallon fuel tanks for the emergency generation of power. The fuel from these tanks could have contributed to the intense heat that apparently weakened the supporting columns in WTC 7.

The New York Times reported on November 29, 2001:

"By 11:30 a.m., the fire commander in charge of that area, Assistant Chief Frank Fellini, ordered firefighters away from [WTC 7] for safety reasons".

A firefighter commented on September 11, 2001 about WTC7:

"That building is never coming down, that didn't get hit by a plane, why isn't somebody in there putting the fire out?"

Popular Mechanics "debunk of 9/11 myths" states "there was no firefighting in WTC 7".

FEMA's report, World Trade Center Building Performance Study (Chapter 5 WTC7, Section 5.3.2) reports that "Speakers for voice evacuation announcements were located throughout the building and were activated manually at the Fire Control Center (FCC)."

Since neither the fire chief nor FEMA reported the voice evacuation announcements failed, all firemen were ordered to clear away from WTC 7 after 11:30 am. The absence of firefighters in and around WTC 7 plainly explains that Mr. Silverstein's "pull it" admission in no way refers to firemen. This completely contradicts Mr. McQuillan's "pull it" theory, which is what the State Department wants everyone to accept as truth.

This begs the question, "How Did They Know Building 7 Was Supposed to Collapse?"


Some of WTC 7 tenants included:

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  • US Secret Service (9F, 10F)
  • Securities and Exchange Commission (11F, 12F, 13F)
  • Office of Emergency Management (OEM) (23F)
  • Internal Revenue Service (IRS) (24F, 25F)
  • Central Intelligence Agency (CIA) (25F)
  • Department of Defense (DOD) (25F)
  • Salomon Smith Barney (Citigroup) (1~5, 28~45)

WTC 7 contained offices of the FBI, Department of Defense, IRS (which contained prodigious amounts of corporate tax fraud, including Enron's), US Secret Service, Securities & Exchange Commission (with more stock fraud records), and Citibank's Salomon Smith Barney, the Mayor Rudy Giuliani's Office of Emergency Management and many other financial institutions. [Online Journal]
Exxon-Mobile is the second largest lifetime career giver to George W. Bush, the Bush family, only after Enron

S.E.C. Cases Destroyed
The SEC has not quantified the number of active cases in which substantial files were destroyed (by the collapse of WTC 7). Reuters news service and the Los Angeles Times published reports estimating them at 3,000 to 4,000. They include the agency's major inquiry into the manner in which investment banks divvied up hot shares of initial public offerings during the high-tech boom. ..."Ongoing investigations at the New York SEC will be dramatically affected because so much of their work is paper-intensive," said Max Berger of New York's Bernstein Litowitz Berger & Grossmann. "This is a disaster for these cases." [New York Lawyer]

Citigroup says some information that the committee is seeking [about WorldCom] was destroyed in the Sept. 11 terror attack on the World Trade Center. Salomon had offices in 7 World Trade Center, one of the buildings that collapsed in the aftermath of the attack. The bank says that back-up tapes of corporate emails from September 1998 through December 2000 were stored at the building and destroyed in the attack. [TheStreet]

Inside the WTC 7 was the US Secret Service's largest field office with more than 200 employees. ..."All the evidence that we stored at 7 World Trade, in all our cases, went down with the building," according to US Secret Service Special Agent David Curran. [TechTV]


How Could Explosives Have Been Placed Beforehand?

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Several key factors provided opportunities to plant bombs in the World Trade Center buildings.

Bomb-sniffing dogs were inexplicably removed from the Twin Towers five days before 9-11

The Twin Towers had been evacuated a number of times in the weeks preceding 9/11

Ben Fountain, a financial analyst who worked in the World Trade Center Complex, told People Magazine that in the weeks before 9/11 there were numerous unnanounced and unusual drills where sections of both the twin towers and building 7 were evacuated for quote 'security reasons'.

There was a power blackout in the Twin Towers on the weekend before 9/11, security cameras were shut down, and many workers ran around busily doing things unobserved.

And -- as an interesting coincidence -- a Bush-linked company ran security at the trade centers, thus giving it free reign to the buildings.

These are just a few of the known, public examples of opportunities to plant bombs. There were undoubtedly many additional opportunities available to skilled operatives.

AMEC PLC / AMEC Construction: Same general contractor for wiring construction inside WTC 7 and the Pentagon's reinforcement

A judicial ruling to dismiss and limit complaints regarding damages of WTC 7, Salomon's (now Citigroup) Construction Defendants named AMEC PLC are public knowledge.


In 1988, Salomon Inc., now Citigroup, entered into an agreement with Silverstein as 7 World Trade Company's managing agent, pursuant to which Citigroup leased floors 28-47 and portions of floors 1-5 of 7WTC. (Page 26)

In order to ensure that a power outage would not disrupt Citigroup's trading activities at 7WTC, the Citigroup Lease provided that Citigroup would have the right to install "diesel emergency power generators - together with all ancillary equipment therefor."[sic] (Page 26)

Citigroup controlled portions of the first five and the top 20 floors of WTC 7. AMEC was in charge of wiring Citigroup's offices to diesel tanks throughout the building. This provided AMEC access to the entire infrastructure of WTC 7, for "back-up power", maintenance, surveys and anything else.

AMEC is very same British construction company contracted to "reinforce" the wing of the Pentagon that was attacked on 9/11.


PoliticalMoneyline.com reported on November 21, 2005:

"Hastert for Congress sent a $2,000 check payable to the U.S. Treasury to the Federal Election Commission. The committee wished to return money it had received from employees of AMEC Construction Management. AMEC signed a conciliation agreement with the FEC and agreed to pay an $85,000 civil penalty for an illegal employee reimbursement scheme. AMEC also gave $25,000 to ARMPAC Non-Federal Account on 3/31/02

MSNBC reported on September 28, 2001:

"The Pentagon is massive--larger than three Empire State Buildings, the face on each of the five sides slightly longer than three football fields--the wedge construction allowed engineers to remake the building one, easy-to-close-off section at a time. Contractors could simply move workers, seal off a wedge, and install new features like reinforced steel columns and two-inch-thick blast-resistant windows... AMEC Construction, won the general contract for Wedge 1, he plunged into the job eagerly, anxious to explore every square inch of the physical structure.

Los Angeles Times reported on September 16, 2001:

"It was the only area of the Pentagon with a sprinkler system, and it had been reconstructed with a web of steel columns and bars to withstand bomb blasts. The steel reinforcement, bolted together to form a continuous structure through all of the Pentagon's five floors, kept that section of the building from collapsing for 30 minutes--enough time for hundreds of people to crawl out to safety.

The area struck by the plane also had blast-resistant windows--2 inches thick and 2,500 pounds each--that stayed intact during the crash and fire. It had fire doors that opened automatically and newly built exits that allowed people to get out.

"This was a terrible tragedy, but I'm here to tell you that if we had not undertaken these efforts in the building, this could have been much, much worse," Evey said. "The fact that they happened to hit an area that we had built so sturdily was a wonderful gift."

The rest of the Pentagon would not have fared as well.


Ties to the Crime families

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New York Daily News reported on December 4, 2005:

"...the city issued $10 million retainer checks to each of the Big Four: AMEC Construction, Bovis Lend Lease, Tully Construction and Turner Construction.

Agreements between the city and the Big Four, as well as with subcontractors, were handled on a pay-as-you-go basis. Without competitive bidding, the four managers picked whomever they wanted to get the job done.

Of the $458 million in federal 9/11 aid spent on debris removal, AMEC got $65.8 million, Bovis $277.2 million, Tully $76 million and Turner $39 million. [...]

Thacher Associates, Stier Anderson, Design Strategies and Getnick & Getnick were hired as monitors. In many cases, they discovered fraud and prevented losses. In other cases, investigators say, the mob and corrupt contractors raided the 9/11 money pot.


When London-based AMEC Construction showed up at Ground Zero as one of the Big Four hired to run the cleanup job, the firm's U.S. subsidiary already was ensnared in government corruption probes in Missouri and California. AMEC still got the 9/11 job.

AMEC's No. 1 guy on the ground was Vice President Leo DiRubbo, a reputed associate of the Luchese crime family. [...]

AMEC hired Big Apple Wrecking, owned by Harold Greenberg, a reputed mob associate whose firm was barred from government work because of his convictions in bid-rigging and bribery conspiracies.

AMEC also hired Mazzocchi Wrecking. A few months after 9/11, the N.J. Division of Gaming Enforcement charged that three members of the DeCavalcante crime family worked for Mazzocchi.

In the middle of the 9/11 job, owners of the AMEC-hired subcontractor Peter Scalamandre & Sons, of Freeport, pleaded guilty to laundering $1 million through subcontractors. Prosecutors charged that some cash wound up in the hands of the Luchese crime family. [...]

AMEC hired Breeze National, a Brooklyn demolition firm owned by Toby Romano, a reputed Luchese family associate convicted in 1988 of bribing inspectors to overlook health violations on asbestos-removal jobs.

Why didn't Mayor Guiliani's adminstration, or President Bush's adminstration want to conduct a truthful investigation? 411 days after the attacks on September 11, 2001, the families of the victims finally won a victory by forcing Mr. Bush to open an investigation. Mr. Bush appointed Mr. Henry Kissinger to lead the commission (until he was dismissed for not disclosing his conflicts of interest: clients in Saudi Arabia named bin Laden). Vice President Dick Cheney further stipulated that the investigation must not include issues relative to national security. So thats the form of investigation America received... the worse kind of conspiracy, by our leaders.

Follow the money. Research the evidence for yourself. Ask difficult questions.

Join us, and demand the truth from our government, in whom we are supposed to have faith and trust. If we don't demand the truth, soon the land of the free, with a government by the people for the people, will be no longer.


Hundreds of Billions of more reasons why the WTC buildings fell on 9/11:

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9/11 has admittedly been an "opportunity" by President Bush's administration and the Pentagon ("We've been offered a unique opportunity and we must not let this moment pass. -- George W. Bush, January 29th, 2002 State Of The Union Address), and without credible evidence or legality, the U.S. government attacked Afghanistan and Iraq. Below is a running total of the U.S. taxpayer cost of just the Iraq War. The number is based on Congressional appropriations. This number by no means includes costs associated with the horror and terror of thousands, even tens of thousands murdered. May God rest their souls, and their memories empower us to continue fighting tyranny.

Cost of the War in Iraq
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See the cost in your community


Additional Resources

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Learn more about World Trade Center 7 by www.WTC7.net

Learn more about World Trade Center 7 by www.911review.com

NIST's 3-Year $20,000,000 Cover-Up of the Crime of the Century by Jim Hoffman, December 8, 2005, a critique of the Final Report of the National Construction Safety Team on the Collapses of the World Trade Center Towers by the Federal Building and Fire Safety Investigation of the World Trade Center Disaster.

Intersecting Facts and Theories on 9/11 by Joe Firmage

Loose Change 2nd edition RECUT (video)

Scholars for 9/11 Truth

Did Building 7 Commit Suicide? by http://www.betterbadnews.com

A Refutation of the Official Collapse Theory by Judy Wood, Ph.D.

"9/11 Revisited: Were explosives used?" by 911revisited.com

Detailed analysis of the structure, fire, and collapse sequence by http://whatreallyhappened.com

Additional video of the collapse of WTC 7.

More Additional video of the collapse of WTC 7.

A fourth video of the collapse of WTC 7.

Close-Up of WTC-7 Collapse Footage Shows Unmistakable Demolition Charges by www.prisonplanet.com

Construction Worker Gives Another Account Of Underground Blasts In The WTC by www.prisonplanet.com

First-hand Accounts of Underground Explosions In The North Tower by www.prisonplanet.com

New York Firefighters Discuss Bombs in WTC Towers by www.prisonplanet.com. In this clip you will hear a discussion between New York Firefighters from September 11 where they describe the WTC and the fact that it looked and sounded like explosives were pre-positioned in the WTC towers.

WTC Construction Manager: Towers Were Designed to Take Numerous Plane Crashes

WTC Construction Certifiers Say Towers Should Have Easily Withstood Jet Fuel Temperatures

NNBC: FDNY Chief of Safety Reported Bombs Both Within the Towers and on the Planes on 9/11. "The results of these tests appear to indicate that the buildings should have easily withstood the thermal stress caused by pools of burning jet fuel."

CNN Poll: 89% Believe US Government Covering Up 9/11

Zogby Poll: Half of New Yorkers Believe Government Complicity in 9/11

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