Steel Column, a 9/11 Survivor, Returns to Ground Zero - The New York Times
What happened to the remnants of the World Trade Center? | PBS News Weekend
Rubble removed from Ground Zero, site of the attack on the World Trade Center Twin Towers in New York City - digital file from original | Library of Congress
Cross at Ground Zero
The last steel column removed from Ground Zero display in National September 11 Memorial & Museum.New York City,USA Stock Photo - Alamy
Port Authority completes distribution of 9/11 steel and artifacts - POLITICO
Ground Zero: September 11, 2001 - September 11, 2011 - Photos - The Big Picture - Boston.com
Brief Journey for an Icon of the Attack on New York - The New York Times
The Museum | National September 11 Memorial & Museum