Slideshow

WTC Sept.11 Remnants

01 / 09

Sept 11 Last Remnants

A damaged carriage of a PATH train that once carried commuters from New Jersey to the World Trade Center is loaded on to a truck in a cargo area of John F. Kennedy International Airport in New York, Tuesday, Dec. 15, 2015. This car is headed to the Trolley Museum of New York in Kingston, where it will be the centerpiece of a future Sept. 11 wing. (AP Photo/Seth Wenig)

02 / 09

Sept 11 Last Remnants

A section of the antenna that once stood on the top of the destroyed World Trade Center is loaded on a truck at John F. Kennedy International Airport in New York, Tuesday, Dec. 15, 2015. It is being transported to Fulton–Montgomery Community College in Johnstown, N.Y., where is will be displayed. (AP Photo/Seth Wenig)

03 / 09

Sept 11 Last Remnants

A steel beam that had pieces cut out by construction workers is stored in a hanger at John F. Kennedy International Airport in New York, Tuesday, Dec. 15, 2015. The beam is one of the last remnants of a host of artifacts recovered after the Sept. 11 attacks that have been held in storage at the airport for 14 years by the Port Authority of New York and New Jersey, which owns the 16-acre trade center site. (AP Photo/Seth Wenig)

04 / 09

Sept 11 Last Remnants

A display of clothes that was recovered from the wreckage of the World Trade Center is stored in a hanger of John F. Kennedy International Airport in New York, Tuesday, Dec. 15, 2015. The pieces are some of the last remnants of a host of artifacts recovered after the Sept. 11 attacks that have been held in storage at the airport for 14 years by the Port Authority of New York and New Jersey, which owns the 16-acre trade center site. (AP Photo/Seth Wenig)

05 / 09

Sept 11 Last Remnants

Clothing displays that were recovered from the wreckage of the World Trade Center are stored in a hanger at John F. Kennedy International Airport in New York, Tuesday, Dec. 15, 2015. The pieces are some of the last remnants of a host of artifacts recovered after the Sept. 11 attacks that have been held in storage at the airport for 14 years by the Port Authority of New York and New Jersey, which owns the 16-acre trade center site. (AP Photo/Seth Wenig)

06 / 09

Sept 11 Last Remnants

A few remaining pieces of the destroyed World Trade Center are stored in a hanger at John F. Kennedy International Airport in New York, Tuesday, Dec. 15, 2015. The pieces are some of the last remnants of a host of artifacts recovered after the Sept. 11 attacks that have been held in storage at the airport for 14 years by the Port Authority of New York and New Jersey, which owns the 16-acre trade center site. (AP Photo/Seth Wenig)

07 / 09

Sept 11 Last Remnants

A section of the antenna that once stood on the top of the destroyed World Trade Center, left, is stored with a few other remaining pieces from the Sept. 11 attacks in a hanger at John F. Kennedy International Airport in New York, Tuesday, Dec. 15, 2015. (AP Photo/Seth Wenig)

08 / 09

Sept 11 Last Remnants

A section of the antenna that once stood on the top of the destroyed World Trade Center is stored with a few other remaining pieces from the Sept. 11 attacks in a hanger at John F. Kennedy International Airport in New York, Tuesday, Dec. 15, 2015. (AP Photo/Seth Wenig)

09 / 09

Sept 11 Last Remnants

A section of the antenna that once stood on the top of the destroyed World Trade Center is stored with a few other remaining pieces from the Sept. 11 attacks in a hanger at John F. Kennedy International Airport in New York, Tuesday, Dec. 15, 2015. (AP Photo/Seth Wenig)