9/11: In remembrance

A decade after the terrorist attack on the World Trade Centre in New York City, Americans prepare to see a very different Ground Zero, where the construction of new towers is underway leading up to the 10th anniversary memorial.

People walk beneath the rising One World Trade Centre as construction continues on September 8, 2011 in New York City.

A decade after the terrorist attack on the World Trade Centre in New York City, Americans prepare to see a very different Ground Zero, where the construction of new towers is underway leading up to the 10th anniversary memorial.(AFP Photo)

Pedestrians cross a street near the World Trade Centre on Thursday, September 8, 2011 in New York. (AP Photo)
Workers install a window on Four World Trade Centre. The tower, designed by Fumihiko Maki, will be 72 floors high and is expected to open in 2013. Sunday will mark the 10th anniversary of the September 11, 2001 attacks. (AP Photo)
The 1 World Trade Centre (4th L) stands tall as construction continues at the World Trade Centre site in New York City. The city and the nation are preparing for the 10th anniversary of the terrorist attacks on lower Manhattan which resulted in the deaths of 2,753 people. (AFP Photo)

A test of the Tribute in Light rises above One World Trade Centre and lower Manhattan. (AP Photo)
Construction workers look up at the Freedom Tower at the World Trade Centre site which is lit in red, white and blue on September 8, 2011 in New York City. (AFP Photo)
New York City police officers perform security check with hand-held radiation detector along the perimeter of the World Trade Centre. The police has increased security in the city ahead of the September 11 observance this Sunday. (AP Photo)

A surveillance camera hangs next to One World Trade Centre. Heightened security for the anniversary commemoration will include hundreds of surveillance cameras at the site. (AFP Photo)
People watch as Construction continues on One World Trade Centre on September 8, 2011 in New York City. One World Trade Centre will eventually be the tallest skyscraper in the country, topping out at a symbolic 1,776 feet. (AFP Photo)
Work continues at the National September 11 Memorial, and at the World Trade Centre site in New York. (AP Photo)

This artist's rendering shows what the top exterior of 2 World Trade Centre at Ground Zero in New York, may look like. (AP Photo)
This artist's rendering depicts the interior of 2 World Trade Centre at Ground Zero in New York, ahead of the 10th anniversary on 9/11 attacks. (AP Photo)
A memorial to victims of the 9/11 World Trade Centre attacks inside St Paul's Chapel near Ground Zero in New York. (AFP Photo)
A Buddhist monk prays in front of "Ribbons of Remembrance" flying in the wind along St Paul's Chapel fence, tied by people to remember victims from the 9/11 World Trade Centre attacks, near Ground Zero in New York. (AFP Photo)
People look out from the World Financial Centre as construction of the 9/11 attacks memorial continues in New York City. (AFP Photo)
Heavily-armed counter-terrorism forces were deployed in New York after US officials warned of a new "credible" threat of a strike on the city by Al Qaeda using car or truck bomb, coinciding with the 10th anniversary of the 9/11 attacks. (AP Photo)
As America prepares to commemorate the 10th anniversary of September 11, 2001 attacks, a newly-released set of audio tapes highlight the lack of coordination between the civil and military aviation officials, and just how unprepared US states was that fateful morning. (AFP Photo)