These images are chilling and will bring back a lot of unwanted memories, but they will ultimately remind us why we will never forget what happened to us on that day 14 years ago. The day that changed America forever. Moment of impact: the south tower is hit Source: Supplied Share if you will never forget! As smoke billows from the north tower, the second hijacked plane bears down on the south tower Source: Supplied Share if you will never forget! There are many shots from different angles of the planes striking the towers, but one reason there are not thousands of different images is that iPhones had not yet been invented and many phones had no cameras. Source: Supplied Share if you will never forget! The millisecond before the plane strikes the south tower Source: Supplied Share if you will never forget! Here's one for the conspiracy nutters who claim the building was bombed and that there were never any planes. Clue: bombs don't make plane-shaped holes. Source: Supplied Share if you will never forget! One of the most horrific and enduring 9/11 images was the people trapped in the upper levels of the twin towers. Many jumped. Some held hands while they did so. At least two hundred people are believed to have taken the fateful plunge.Source: Supplied Share if you will never forget! Another view of the south tower being struck. Source: Supplied Share if you will never forget! As office workers descend, heroes ascend. Firefighters carrying huge loads had to walk a few floors at a time, rest for a few seconds, then walk a few more floors. Pic taken by John Labriola, who had an office on 71st floor. Source: Supplied Share if you will never forget! This picture taken by Associated Press photographer Richard drew was deemed too controversial by most newspaper editors. "The Falling Man" became the subject of a documentary, but the identity of the man plummeting to his death is still disputed. Some families refuse to believe it could be their relative for religious reasons, even though no 9/11 victim has been classified as dying by suicide. Source: AP Share if you will never forget! The south tower of the World Trade Center was the second hit but first to fall. Source: AFP Share if you will never forget! Strangers became friends as they fled the horror together. Many remain close to this day, including countless office workers who helped each other out of the twin towers. Source: Supplied Share if you will never forget! This was a day of mourning for all Americans, whether they knew a victim or not. Source: AP Share if you will never forget! There were also 125 victims at the Pentagon in Washington — 70 civilian and 55 military personnel. Source: Supplied Share if you will never forget! There is something about this man's dust-covered suit and general demeanour which makes this an unforgettable image.Source: Supplied Share if you will never forget! The force of the world's highest towers collapsing reduced buildings to ash which coated survivors in a ghoulish cloak.Source: Supplied Share if you will never forget! Many men hugged on a day when over 400 emergency workers were killed. Source: Supplied Share if you will never forget! Not much left: this would not be one of those searches where victims emerged for days to come Source: Supplied Share if you will never forget! Fire soon spread to many nearby buildings Source: Supplied Share if you will never forget! And sometimes the heroes needed a little attention themselves. Source: Supplied Share if you will never forget! People had no idea if the dust cloud would kill them, hence the terror. Source: Supplied Share if you will never forget! No, this is not a still from the latest blockbuster disaster movie. It's yet another 9/11 hero carrying yet another survivor to safety. Source: AP Share if you will never forget! While for some, words just couldn't describe the horror. Source: Supplied Share if you will never forget! The North tower was hit first and collapsed second, possibly because it was hit higher. Source: AP Share if you will never forget! The search continued in vain. Source: Supplied Share if you will never forget! This guy wasn't alone in seeking comfort in a familiar symbol after the attacks. Source: Supplied Share if you will never forget! Share if you will never forget! Manhattan was bathed in an eerie smoke for days afterwards Source: Supplied Share if you will never forget! With bridges and tunnels closed to all but emergency vehicles, New Yorkers had no choice but to walk home. The green sign on the left says: Welcome to Manhattan Source: Supplied Share if you will never forget! Share if you will never forget! Engineers say that the World Trade Centers had an unusual design, where much of the structural load was carried by the exterior shell of the building rather than central columns. So when that shell was pierced, the buildings were weakened significantly, precipitating their collapse. Source: AFP See more: News Share if you will never forget!
