The design is consistent with the original master plan by Daniel Libeskind, which called for the memorial to be 30 feet (9.1 m) below street level—originally 70 feet (21 m)—in a plaza, and was the only finalist to disregard Libeskind's requirement that the buildings overhang the footprints of the Twin Towers.
Did you know that the squares are actually the original foundations of The Twin Towers!
No deep squares
30 feet deep
30 feet
Hi is 30 deep.
They are 30 feet deep.
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