• Obama and first lady, Michelle Obama walk along the memorial site for the victims of Flight 93 during ceremonies marking the 10th anniversary of the 9/11 attack in Shanksville, Pennsylvania
  • Anniversary of Sept. 11th Attacks Marked At Pentagon
  • The sun rises during ceremonies marking the 10th anniversary of the 9/11 attacks on the World Trade Center, in New York
  • DÉCIMO ANIVERSARIO DEL 11-S
  • DÉCIMO ANIVERSARIO DE LOS ATENTADOS DEL 11S
  • A guest holds the program for ceremonies in honor of the victims of the attack on the Pentagon during ceremonies marking the 10th anniversary of the 9/11 attacks on the Pentagon in Washington
  • Robert Peraza, who lost his son Robert David Peraza, pauses at his son’s name at the North Pool of the 9/11 Memorial during tenth anniversary ceremonies at the site of the World Trade Center in New York
  • New York police, firefighters and Port Authority Police line up at one of the entrances of 9/11 Memorial Plaza before the tenth anniversary ceremonies at the World Trade Center site in New York
  • CEREMONIA EN HONOR DE BOMBEROS MUERTOS EN EL 11S
  • US President Obama holds his hand over his heart for national anthem during ceremonies marking 10th anniversary of 9/11 attacks on World Trade Center, in New York
  • Firefighters observe a moment of silence at FDNY firehouse Hook & Ladder 24 Engine 1 during ceremonies marking the 10th anniversary of the 9/11 attacks on the World Trade Center, in New York
  • U.S. President Barack Obama, first lady Michelle Obama, former president George W. Bush and Mrs. Laura Bush and their children are pictured at the North pool of the National September 11 Memorial during tenth anniversary ceremonies at the World Trade
  • A memorial pool is seen at the National September 11 Memorial during tenth anniversary ceremonies at the World Trade Center site in New York
  • U.S. President Obama delivers remarks as first lady Michelle, former President W. Bush and former first lady Laura look on during ceremonies marking the 10th anniversary of the 9/11 attacks on the World Trade Center, in New York
  • A singer performs during the start of the ceremonies marking the 10th anniversary of the 9/11 attacks on the World Trade Center, in New York
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  • DÉCIMO ANIVERSARIO DE LOS ATENTADOS DEL 11S
  • The Most Rev. Dr. Katherine Jefferts Schori, Presiding Bishop, rings the Bell of Hope at 8:46am at St. Paul’s church in New York

Estados Unidos conmemora el décimo aniversario del 11-S