Efforts under way to preserve damaged Sept. 11 WTC artifacts

12/18/2006 | Engineering News-Record

The Port Authority of New York & New Jersey is spending up to $10 million to reverse damage and preserve steel and other artifacts from the World Trade Center Sept. 11, 2001, terrorists attacks. The artifacts suffered damage after being stored in a hangar at JFK International Airport, where a leaky roof caused salty ocean air and pigeon droppings to tarnish the items.

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