NOVA

Engineering Ground Zero Preview

Preview: Season 38 Episode 11 | 30s

Designing and building One World Trade Center and the National September 11 Memorial & Museum Premiering September 7, 2011 at 9pm on PBS

Aired: 09/06/11

Rating: NR

The full episode is no longer available for online streaming. Why?

Please continue to enjoy extra(s) from this episode. The full episode is still available for purchase through the "Buy Now" links.

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