The National September 11 Memorial and Museum can continue to display the crucifix-shaped beams found in the rubble of the World Trade Center in its "Finding Meaning" exhibition, the 2nd Circuit ruled on Monday. Two days after the attacks of Sept. 11, 2001, construction worker Frank Silecchia found the 17-foot steel beams shaped like a cross, and brought them to the attention of other workers. The artifact soon became a focal point at many religious services held at Ground Zero. More.