This undated photo of two metal beams, center, that form a cross that rises out of the destruction at the World Trade Center, was made available in New York, Thursday, Oct. 4, 2001. The cast iron "cross," which fell intact from Tower One into nearby Building Six on Sept. 11, was blessed on Thursday by Rev. Brian Jordan, a Franciscan priest, as rescue workers who have adopted it as a symbol of faith gathered around to watch. (AP Photo/Pool)
From these threads:
Steel Beams Found by Laborer amid the World Trade Center in the shape of a Cross
Ground Zero's Blessed Cross