What was under the Twin Towers?

In 2010, buried underneath the ruins of the Twin Towers, we found the remains of a large ship's hull. Now, scientists have revealed the secrets behind this mysterious vessel. The ship was discovered in the wreckage below the excavation site, approximately 22 feet (6.7 meters) below the soil.



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On Sept. 11, 2001, 343 firefighters and paramedics were killed, most when the towers collapsed. Now, an equal number have died from 9/11-related illnesses, the FDNY says.

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It is estimated that some 200,000 tons of steel collapsed into the ground when the twin towers collapsed. According to an article in the journal Places, by spring of 2002 most of the structural steel had been transported to New Jersey. New York City sold about 175,000 tons of the scrap.

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In areas, the thickness ranged from . 25 inches at the very top of the building to 4 inches at the base. Part of the revolutionary design created by Yamasaki and his engineers was the idea of the two hollow tubes, which were mostly supported by closely spaced steel columns encased in aluminum.

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The youngest flight passenger who died was Christine Hanson, a 2-year-old on her way to Disneyland on United Airlines Flight 175. The oldest was Robert Norton, 82, who was on American Airlines Flight 11. The 19 hijackers from the militant Islamic extremist group al-Qaeda also died.

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The North Tower lasted around 46 minutes longer than its twin, having been struck 17 minutes before the South Tower was attacked and standing another half-hour after the South Tower collapsed.

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The property damage alone cost about $100 billion, and estimates of the total economic damage inflicted by the attack range up to $2 trillion. The cost of the two wars in Afghanistan and Iraq that flowed out of the 9/11 tragedy has been estimated recently by Brown University scholars at about $4 trillion.

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Four airliners were turned into weapons of mass destruction on 9/11; a fifth may have been targeted.

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Where did Flight 93 crash? The plane crashed in an open field next to a wooded area in Stonycreek Township, Somerset County, Pennsylvania at 10:03:11 am.

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