Sites like 911Myths.com and others have claimed that Leslie Robertson, one of the original WTC structural engineers, never saw molten steel at Ground Zero. However, a video clip recently released from the IC911Studies which shows a presentation given by Robertson at Stanford University shows otherwise.
Robertson clearly states that he saw a "river of steel flowing" at the B1 level of the WTC debris pile.
Related Info:
9/11 - Ground Zero Molten Metal Confirmed
In response to the numerous reports of molten metal under ground zero, defenders of the official version of 9/11 have tried to argue that it was not steel, but some other kind of metal with a lower melting point. Well, here are what top experts who eyewitnessed the molten metal say...
Molten Steel in the Rubble of the World Trade Centre Collapse = Inside Job
The Un-Debunkable Molten Metal
Refuting the Hollow Arguments of the So-called 9/11 Debunkers & Truthers