The United States is marking the 15th anniversary of the September 11th terrorist attacks, when al-Qaida terrorists hijacked four planes and flew them into the World Trade Center in New York and the Pentagon near Washington, while one crashed in rural Pennsylvania.
ՕՐՎԱ ԼՈՒՍԱՆԿԱՐՆԵՐ 9/11 15 տարի անց

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A mourner holds a photo of her loved one during the 15th anniversary of the attacks of the World Trade Center at the National September 11 Memorial in New York, Sept. 11, 2016.

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A firefighter touches the names of the firefighters, who died in the attacks carved in the south pool, during 15th anniversary ceremony of the attacks of the World Trade Center at the National September 11 Memorial in New York, Sept. 11, 2016.

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A woman becomes emotional during a moment of silence in a ceremony for the 15th anniversary of the attacks of the World Trade Center at the National September 11 Memorial, in New York, Sept. 11, 2016.

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A hand written note from the British Prime Minister Theresa May rests on a bouquet of roses paying respects to the victims of the attacks of the World Trade Center in New York, on the 15th anniversary of the attacks, at the memorial to the British victims of the attacks in Grosvenor Square gardens near the United States Embassy in London, Sept. 11, 2016.