Watch Engineering Ground Zero on PBS. See more from NOVA.
April 27, 2006: Construction Begins at One World Trade Center
Six years ago today, construction began on the 1,776-foot building formerly known as the Freedom Tower.
Last year, on the 10th anniversary of 9/11, NOVA presented “Engineering Ground Zero," which follows the construction of One World Trade Center (1 WTC) and the National September 11 Memorial and Museum. Watch the full episode.
Source: to.pbs.org