Family members of victims stand in the rain at the reflecting pool placing flowers as people gather at Ground Zero during a 9/11 memorial ceremony

NEW YORK - SEPTEMBER 11: Family members of victims stand in the rain at the reflecting pool placing flowers as people gather at Ground Zero during a 9/11 memorial ceremony on September 11, 2009 in New York City. Family of the victims, government officials and others gathered at the annual ceremony to remember the attacks that killed more than 2,700 people with the destruction of the World Trade Center, the crash at the Pentagon and United 93 in Shanksville, Pennsylvania on September 11, 2001. (Photo by David Handschuh-Pool/Getty Images)