POSTED: Monday, September 12, 2011 - 3:55pm
UPDATED: Monday, September 12, 2011 - 4:29pm
NBC NEWS — In New York, people gathered at the former site of the World Trade Center for the grand opening of the 9/11 Memorial at Ground Zero today.
New York City Mayor Michael Bloomberg and victims' family members greeted visitors to the memorial.
The fountain contains two pools surrounded by names of all the victims killed in New York, at the Pentagon and in Shanksville, Pennsylvania.
It also includes the names of the six people who died in 1993 bombing at the World Trade Center.