Photo gallery: Tucson 9/11 anniversary ceremonies
Ceremonies around Tucson commemorate the 10th anniversary of the Sept. 11, 2001 terrorist attacks.
Tucson 9/11 anniversary ceremony
Members of TPD stand at attention following a 21-gun salute during the 9/11 aniversary ceremonies at Tucson Police Dept headquarters on Sunday, Sept. 11, 2011 in Tucson.
Tucson 9/11 anniversary ceremony
Webelo scout Nicholas Brown, 7, Pack 747, prays duting the benediction at Reid Park Bandshell Sunday, Sept. 11, 2011 in Tucson at the beginning of a Freedom Day rally to comememorate the 10th anniversary of 9/11.聽
Tucson 9/11 anniversary ceremony
Tucson Fire Pipes and Drums leads a procession of firefighters and supporters from Fire Central to Tucson Police Department Headquarters following a 9/11 10th anniversary commemoration ceremony on Sunday, Sept. 11, 2011 in Tucson.
Tucson 9/11 anniversary ceremony
Fire captain Eric Perry, left and fire chief Chief Jim Critchley talk with Perry's son, Ethan Perry, 7, who came outfitted to support TFD at Reid Park.
Tucson 9/11 anniversary ceremony
Flag bearer Airman First Class Luke Rice unfurls the American flag during the 9/11 anniversary rally at Reid Park.
Tucson 9/11 anniversary ceremony
Dr. Richard Carmona speaks during the the 9/11 Freedom Rally at Reid Park on Sunday, Sept. 11, 2011 in Tucson.
Tucson 9/11 anniversary ceremony
Crowd members react to an Air Force fly-over at Reid Park, Sunday, Sept. 11, 2011 in Tucson at the culmination of a Freedom Day rally to comememorate the 10th anniversary of 9/11.聽
Tucson 9/11 anniversary ceremony
John Green, father of shooting victim Christina-Taylor Green, speaks during the the 9/11 Freedom Rally at Reid Park on Sunday, Sept. 11, 2011 in Tucson. Sunday would have been Christina-Taylor's 10th birthday.
Tucson 9/11 anniversary ceremony
Firefighter Jeremy Chafin, with son Dean, salutes during 9/11 commemoration ceremonies at the Tucson Fire Central on Sunday, Sept. 11, 2011 in Tucson.
There were ceremonies honoring and remembering the victims of the Sept. 11, 2001 terrorist attacks all around the world on Sunday.
Seventy-seven minutes.