FILE - In this May 13, 2011 file photo, Anthony St. Jeanos, left, uses a net to skim debris from the water during a test of the waterfalls at the National September 11 Memorial, at the World Trade Center site in New York. The foundation that runs the memorial estimates that once the roughly $700 million project is complete, it will cost $60 million a year to operate. (AP Photo/Mark Lennihan, File) less