Find out in this 18 minute film, Building the World Trade Center, produced by the Port Authority of New York and New Jersey in 1983 with original footage of the towers under construction.

A memorable event in the life of the World Trade Center came in the summer of 1974 ... came across an article about the twin towers, along with an illustration of the project in model form.

Watch as the Bell of Hope rings at St Paul's Chapel in New York City to mark the exact moment when the first of two planes hit the World Trade Center Twin Towers on September 11, 2001. The bell ...