Rare news footage of the second plane hitting the World Trade Center on 11 September, 2001, has been unearthed online.

David Childs, the lead architect of the One World Trade Center skyscraper that rose from the site where the Twin Towers collapsed in New York City during the 9/11 attacks, has died. He was 83.

In the course of a single morning, the unexpected — and illegal ... came across an article about the twin towers, along with an illustration of the project in model form.

David Childs, the lead architect of the One World Trade Center skyscraper that rose from the site where the Twin Towers ...