They'd cover it up for now so it doesn't distract from the event, then they'd rip it out once everyone's gone. They'd also make a few arbitrary, unreviewed, undiscussed decisions about other stuff they'd keep.
Most guests arriving at the ceremony were probably unaware that they were crossing the line of the north facade of the north tower, since the column bases had been covered in gravel. Officials of the Port Authority of New York and New Jersey, which owns the site, said the gravel was spread to create a smoother grade and to protect the remnants.- "Rebirth Marked by Cornerstone at Ground Zero," by David Dunlap, NYTDuring the impending dismantling of the parking garage that was under 6 World Trade Center, some architectural elements will be preserved, including a smoke-scarred column, a column on which the paint was blistered by heat into a marbleized pattern and a section of smoke-stained wall with the words, "Yellow Parking B2."
