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 | An honor guard of New York City Police Department (L), New York City Fire Department (C) and New York/New Jersey Port Authority Police officers pause at 8:46 a.m. EDT during ceremonies at the World Trade Center site September 11, 2007 in New York marking the sixth anniversary of the September 11, 2001 attacks. The time was when the first plane struck the towers. click to open  |  | Family members gather during a ceremony at New York City's Zuccotti Park on the sixth anniversary of the Sept. 11 attacks, Tuesday, Sept. 11, 2007 in New York. click to open  |  | Courtney Lawson (R) hugs her aunt Mazie Lawson, who lost her daughter Cecilia in the September 11 attacks on the Pentagon, during a ceremony marking the sixth anniversary of the attacks in Washington, September 11, 2007. click to open  |  | A New York City police officer pauses on the ramp leading to a reflecting pool at the World Trade Center site in New York on September 11, 2007, marking the sixth anniversary of the September, 2001 attacks. click to open  |  | Families of victims mourn and drop flowers into a reflecting pool at the World Trade Center site in New York September 11, 2007. Today marks the sixth anniversary of the September 11, 2001 attacks in New York and Washington. click to open  |  | Firefighters and police officers carry an American flag during a ceremony at New York City's Zuccotti Park, Tuesday, Sept. 11, 2007, marking the sixth anniversary of the terrorist attacks. click to open  |  | Former U.S. President Bill Clinton, gestures prior to attending a service commemorating the Sept. 11, 2001 terror attacks held at the U.S. Embassy in Beijing Sunday, Sep 11, 2005. Clinton was in Beijing as part of a four-day, seven city visit to China and gave a short speech warning against extremist terrorism. click to open  |  | Dressed in a dark suit, former U.S. president Bill Clinton pays his respects as the U.S. flag was raised to half-mast during a service commemorating the September 11, 2001 attacks, at the U.S. embassy in Beijing, September 11, 2005. Clinton was in Beijing as part of a four-day, seven-city visit to China. click to open  |  | Former U.S. President Bill Clinton, right, together with fellow Americans place his right hand over his heart as the U.S. flag was raised to half-mast during a service commemorating the Sept. 11, 2001 terror attacks held at the U.S. Embassy in Beijing Sunday, Sept. 11, 2005. Clinton was in Beijing as part of a four-day, seven city visit to China and gave a short speech warning against extremist terrorism. Next to Clinton is David Sedney, U.S. Charge d'Affaires. click to open  |  | Former U.S. president Bill Clinton talks to the media near a U.S. flag raised to half mast during a service commemorating the September 11, 2001 attacks, at the U.S. embassy in Beijing September 11, 2005. Clinton is in Beijing as part of a four-day, seven-city visit to China and gave a short speech warning against extremist terrorism. click to open  |
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