Alicia Bergstein (C) comforts her children Devin Bergstein (L) and Adrianna Bergstein during the dedication ceremony for the 9/11 National Memorial and tenth 9/11 Attacks anniversary ceremonies at the World Trade Center site in New York, September 11, 2011. Daniel Bergstein, Alicia's husband and the childrens' father, was killed on 9/11. The New York 9/11 memorial includes two plazas in the shape of the footprints of the twin towers with cascading 30 foot (9.1 metres) waterfalls. Around the perimeters of pools in the center of each plaza are the names of the victims of the 9/11attacks and an earlier 1993 attack at the trade center. REUTERS/Seth Wenig/Pool (UNITED STATES)