NEW YORK (KABC) -- See images from the emotional ceremony at ground zero that has become a grim annual tradition to mourn those killed in the September 11, 2001 terror attacks on the Twin Towers at the World Trade Center.
Eileen Esquilin hugs her husband, Joe Irizarry, while mourning the loss of her brother, Ruben Esquilin Jr, during memorial observances. (AP Photo/ Andrew Burton)
Members of the Fire Department of New York take time to reflect during memorial observances on the 13th anniversary of the Sept. 11 terror attacks. (AP Photo/ Andrew Burton)
A woman stands in silence during memorial observances on the 13th anniversary of the Sept. 11 terror attacks on the World Trade Center. (AP Photo/ Andrew Burton)
A woman places flowers on the name of a loved one during memorial observances on the 13th anniversary of the Sept. 11 terror attacks on the World Trade Center. (AP Photo/ Andrew Burton)
Kelly Koopmann, an EMS worker, plays with her daughter, Kiera Koopmann, 15 months, as her father, Kevin Canham of FDNY, looks on. (AP Photo/ Andrew Burton)
Former New York City Mayor Rudy Giuliani visits the South Tower Memorial during memorial observances on the 13th anniversary of the Sept. 11 terror attacks. (AP Photo/ Chang W. Lee)