On September 11 last year, he arrived at his office on the 83rd floor of the World Trade Centre's North Tower at ... the outside of the stairwell while they went down the inside.

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 ... passenger Tucson crossover some revised styling ...

David Childs, the lead architect of the One World Trade Center skyscraper that rose from the site where the Twin Towers collapsed ... a separate stairway and elevator for firefighters, “blast ...

David Childs, the lead architect of the One World Trade Center skyscraper that rose from the site where the Twin Towers collapsed ... a separate stairway and elevator for firefighters, “blast ...

David Childs, Architect of One World Trade Center That Rose on Twin Towers Site After 9/11 ... features including wider staircases, a separate stairway and elevator for firefighters, “blast ...

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 ... features including wider staircases, a separate ...