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FILE- In this May 15, 2014 file photo, a steel beam from the World Trade Center is dispalyed at the National September 11 Memorial Museum in New York. The 9/11 Memorial Museum opened to the public on Saturday, Sept. 12, 2020, for the first time since cultural institutions across New York City shut down six months ago to contain the spread of the coronavirus. (AP Photo/The Star-Ledger, John Munson, Pool, File)