Moving photos WTC commemoration Ground Zero

Today the whole world commemorated the tenth anniversary of the 9/11 attaks and paid tribute to the people who lost their lives in the tragedy.

Dozens people gathered at New York's Ground Zero where the names of almost 3000 victims were spoken out by relatives, friends, officials. US President Barack Obama and former president George Bush participated at the event joining many other personalities.

The mourning day at the memorial ceremony revealed countless moving images and photos captured on tape.

For example Robert Peraza, whose son Robert David Peraza died in the terror attacks of the WTC twin towers, stopped by at his son's name at the North Pool of the 9/11 remembering site ahead of the 10th anniversary, Sunday 11 September, 2011, in New York. (AP Photo/Justin Lane)

You can see HERE dozens moving picture taken during the memorial anniversary.
Video grown-up Peter Negron mourns, remembers, misses father Pete.