In pictures: Trump, Bush, and more pay their respects at 9/11 ceremonies across three sites on 25th anniversary

President Donald Trump commemorated the 25th anniversary of the September 11 terrorist attacks at the Pentagon, while Vice President JD Vance attended the New York City memorial at ground zero.Twenty-five years ago, al Qaeda terrorists hijacked four planes in the early morning. Two planes crashed into the Twin Towers in New York City, and one plane hit the Pentagon in Arlington, Virginia. The fourth plane was intended to hit the U.S. Capitol Building in Washington, D.C., but passengers were able to take over from the hijackers and brought the plane down in Shanksville, Pennsylvania. Nearly 3,000 people died on the day of the attacks, and thousands more have died or gotten sick from the poor air quality in New York City following the collapse of the two giant towers.

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