11 years after 9/11, the question of how the towers came down still not answered!

Architects and engineers say 9/11 twin tower collapse was not possible - YouTube

Uploaded by RTAmerica on Mar 1, 2010

How could 200 thousand tons of steel drop to the ground in under 11 seconds because of a fire? Over a thousand architects and engineers say that it simply cannot happen, at least not the way it happened on September 11th. The architects and engineers are calling for a new investigation into what actually happened on 9/11.