This one-minute time-lapse video documents the construction of the 9/11 Memorial from 2004-2011. The 9/11 Museum writes of the the design,
The 9/11 Memorial features two enormous waterfalls and reflecting pools, each about an acre in size, set within the footprints of the original twin towers. The Memorial Plaza is one of the most eco-friendly plazas ever constructed. More than 400 trees are planned for the plaza, surrounding the Memorial's two massive reflecting pools. Its design conveys a spirit of hope and renewal, and creates a contemplative space separate from the usual sights and sounds of a bustling metropolis.
For more multimedia from the National September 11th Memorial and Museum, visit http://www.911memorial.org/.
Video via NBC New York.
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