World remembers 9/11 attacks on 12th anniversary

World remembers 9/11 attacks on 12th anniversary

Passerby watch as World Trade Centre turns into dust on September 11.

World remembers 9/11 attacks on 12th anniversary

Survivor recounts horror as World Trade Centre falls.

World remembers 9/11 attacks on 12th anniversary

From top to bottom, and left to right: The World Trade Center burning

World remembers 9/11 attacks on 12th anniversary

At 9:02AM, air traffic controllers looked out of their window and witnessed a plane go into rapid descent and then hit the South Tower of the World Trade Center.

World remembers 9/11 attacks on 12th anniversary

Another plane minutes before hitting second tower of World Trade Centre.

World remembers 9/11 attacks on 12th anniversary

The second plane hits the South Tower of the World Trade Center.

World remembers 9/11 attacks on 12th anniversary

Flight 11 crashes into North Tower of the World Trade Center, between floors 93 and 99.

World remembers 9/11 attacks on 12th anniversary

The National September 11 Memorial & Museum is the principal memorial and museum commemorating the September 11 attacks of 2001.

World remembers 9/11 attacks on 12th anniversary

Hundreds of still-mourning family and friends attended a somber ceremony on Wednesday to honour those who died.

World remembers 9/11 attacks on 12th anniversary

12th anniversary of the September 11th attacks on the United States was observed with ceremonies around the US and elsewhere.

World remembers 9/11 attacks on 12th anniversary

Almost three-thousand people died in the attacks on the World Trade Centre and the Pentagon, and in a plane crash in Virginia on September 11, 2001.

World remembers 9/11 attacks on 12th anniversary

Wednesday marks the 12th anniversary of the horrific 9/11 attacks in the United States that killed around 3000 people.