Image #: 9246    The towers of the World Trade Center pour smoke shortly after being struck by hijacked commercial airplanes in New York on September 11, 2001.  Three hijacked planes slammed into the Pentagon and New York's landmark World Trade Center on Tuesday, demolishing the two 110-story towers that symbolize U.S. financial might.  The East River and Manhattan Bridge are in the foreground.   REUTERS/Brad Rickerby /Landov
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