Reason World Trade Centre building collapsed hours after Twin Towers during 9/11
Many conspiracy theorists have ideas about the collapse of the government building, but the real cause has been revealed ...
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The National 9/11 Memorial was the most significant building of 2011
Our 21st-Century Architecture: 25 Years 25 Buildings pick for 2011 is the National 9/11 Memorial, designed by Michael Arad of Handel Architects – a powerful symbol of loss, remembrance and healing.
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September 11 attacks: What happened on 9/11?
On Tuesday 11 September 2001, suicide attackers seized ... It is thought the hijackers had meant to attack Washington's Capitol Building. In all, 2,977 people (not counting the 19 hijackers ...