US marks 9/11 with rituals of sorrow

1. US marks 9/11 with rituals of sorrow

2. Family members of the 9/11 victims gather at the reflecting pool during ceremonies marking the ninth anniversary of the attacks on the US, in New York, September 11, 2010.

3. US President Barack Obama lays a wreath in honor of those who died while attending a Pentagon event marking the 9th anniversary of the 9/11 attacks

4. Victor Ortiz, 7, waits to hear the name of a grandmother he never met, Sonia Ortiz (in photo on R), who died while working at Windows on the World, the restaurant at the top of the World Trade Center

5. Firefighters from Ladder Co. 10 and Engine Co. 10, which is located directly across from the World Trade Center, pause for a moment of silence at 10:28 a.m., to mark the observance of the time the North Tower of the World Trade Center fell, during 9/11ceremonies marking the ninth anniversary of the attacks in New York, September. 11, 2010.

6. Vice President Joe Biden comforts a family member of the victims of 9/11 who are gathered around the Ground Zero reflecting pool at the site where the twin towers once stood on the ninth anniversary of the attacks on the World Trade Center in New York City September 11, 2010.

7. A picture of a victim sits on the edge of a reflecting pool in memory of victims of the 9/11 attacks September 11, 2010 in New York City.