The Diocese of Brooklyn held its 9/11 remembrance across the Brooklyn Bridge.
Members of the FDNY marched from the World Trade Center to the Co-Cathedral of St. Joseph.
Firefighters from Battalion 57 took part in the annual march.
They carried 23 flags to represent the 23 fallen heroes from their battalion who passed that day.
The marchers say the walk across the bridge and back to Brooklyn is symbolic of bringing home the brave men, and it continues their promise to never forget.