Remembering the 9/11 tragedy across the Nation

ABC NEWS- It has been 22 years since nearly 3,000 people were killed in the September 11th terror attacks at the World Trade Center, the Pentagon and in a field in Shanksville, Pennsylvania.
Here at home and across the nation, Americans are reflecting on the tragedy and legacy left behind, gathering at memorials, firehouses, and city halls.
ABC’s Aaron Katersky reports from New York.