People read the victims' names of the 9/11 Empty Sky memorial at sunrise across from New York's Lower Manhattan and One World Trade Center, in Liberty State Park in Jersey City, New Jersey, September 11, 2015. Relatives of the nearly 3,000 people killed in the Sept 11, 2001, attacks are due to gather in New York, Pennsylvania and outside Washington on Friday to mark the 14th anniversary of the hijacked airliner strikes carried out by al Qaeda militants. [Photo/Agencies]