In pictures: The U.S. commemorates the 25th anniversary of 9/11

On Sept. 11, 2001, hijackers flew planes into the World Trade Center and other monuments, killing thousands. 25 years later, photos capture those marking 9/11.

Source: [CNBC](https://www.cnbc.com/2026/09/11/us-commemorates-25th-anniversary-9/11-photos.html)