Activities were held in New York, Virginia, Pennsylvania and other places in the United States on September 11, local time, to commemorate the 20th anniversary of the "September 11" terrorist attack.
Today, 20 years ago, two passenger planes hit the World Trade Center in New York one after another, and then the Pentagon in the United States was also hit by a passenger plane.
The incident caused the death of nearly 3,000 people and shocked the world.
On the same day, nearly a thousand people gathered here in the square of the World Trade Center Site in New York to mourn the victims of the "September 11" terrorist attack 20 years ago.
A memorial ceremony was also held at the Pentagon in Arlington, Virginia, where the US Department of Defense is located.
In addition, commemorative activities were also held in Boston, Massachusetts and San Jose, California.
At the same time, online commemorative activities were held on multiple online platforms.
Many people have posted that the "scars" caused by the "9.11" incident will always exist.
(Reporter Chen Mengtong produced Zhou Jing)
Editor in charge: 【Luo Pan】