Today 21 years of America's 9/11 terrorist attack, the country was shaken

Osama bin Laden had involved 19 terrorists to carry out this terrorist attack.

These terrorists hijacked American planes and then crashed on the World Trade Center.

Two different planes crashed in both the buildings in which thousands of people were killed.

At the same time, hundreds of people were seriously injured.

Today marks 21 years since the 9/11 terrorist attacks in America

This day can be called a black day for America.

This was the largest terrorist attack in the history of America, which was carried out by Al Qaeda.