Watch One World Trade Center Rise from the Ashes Beam by Beam Neetzan Zimmerman · 05/01/12 08:55AM EarthCam has been monitoring the construction of One World Trade Center (BKA the Freedom Tower) since day one: October 18th, 2004. (Technically, the cornerstone ceremony took place July 4, 2004, and construction didn't begin in earnest until 2006.)