and the first bench you see is dana falkenberg, and she's three years old.ere's this big, empty area, and then there's young men, late twenties, early thirties, and to me, that's hugely powerful. and you walk through there, and first you see the children, and then you go, "what is with that?" and then, "what are these lines?and it gets people thinking about, "why are they spaced this way? oh, this person is 20, this guy is 35." and then they notice the benches are facing a different way, and why is that? and then they can figure that out just by walking through the park. but i think the most powerful thing is... is just entering the park, stepping over that line that says, "9/11, 2001, 9:37 a.m." >> the wisdom of the ages tells us that time is the great healer. perhaps this is one of the mysteries and miracles of life itself, that as the days and months and years roll out, the shock of the tragedy and the intensity of the loss, the unrelenting despair and hopelessness, gives way to remembrance, to renewal, and to hope for the future. >> narrator: within the