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| Lighting columns in Manhattan symbolized the Twin Towers before being attacked by airplane. This is one of those starting activities to commemorate the victims of 11-9 terror attack. |
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| The word 'Never forget' written by steam appears on the memorial wall with the names of all victims |
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| The US flag is placed on a victim's name which written on the memorial board for those killed in the terror attack in Manhattan |
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| September 11th morning (local time), all the roads around Lower Manhattan area were blocked to hold commemoration for those victims whom were killed. During the ceremony, the names of all victims were called, following with a moment of silence in remembrance |
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| A woman face down on her family member's name written on memorial board. 15 years had past, but the memory of 11-9 terror attack is still deeply remark in the minds of American. |
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| An officer of New York Fire Department stood in front of his colleagues' names whom sacrificed while rescuing victims and managing the consequences of terrorism. 11-9 tragedy also remarks the highest casualties in the US fire industry history with more than 340 people have died while on duty. |
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| A New York police officer at the Memorial area. New York Police Department also held several events to honor more than 70 soldiers whom sacrificed while rescuing 15 years ago. |
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| Relatives of police officer Vanintin Santos Jr.Iay pray in front of his name on the memorial board. After the terror attacks, the state government and New York authority, the federal government announced several support programs and financial incentives for businesses and citizen to rebuild their lives. |
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| Two little boys were reading the names of all the victims at the memorial. 15 years since the terror attack, the Lower Manhattan area has recovered quickly, with the dramatic rise of population, following with the growth of diversified economy, |
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| Staffs of New York Stock Exchange (NYSE) spent a moment of silence to commemorate 11-9 terror attack victims. 'It's hard to image the development of the Lower Manhattan today after experiencing tragedy 15 years ago' - said Mr. Thomas DiNapoli - a New York officer |
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| George Betsill was walking through the memorial area with 3,00 flag jacked in Winnetka park, Illinois, symbolize for 3,000 victims killed by the hijackers on 11-9-2011. |
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| Besides the number of thousands people killed, more than 6,000 others were injured during the terror attack, any many people are still suffering from psychological sequelae. |
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| Maria Genkin, a tourist from Belgum was telling her son about 11-9 tragedy while seeing the memorial boards. The memorial areas also became on of popular place where many tourist choose to visit and to learn about the terrify attack. |
