Above and Beyond Memorial.
When visitors first enter the museum, they will hear a sound like wind chimes coming from above them and their attention will be drawn upward 24 feet to the ceiling of the two-story high atrium. There they will see tens of thousands of metal dog tags, spaced evenly one inch apart, suspended from fine lines which will allow them to move like a living thing with the shifts in air currents.This:
(picture from Gerry's e-mail, no idea on source)
Okay, now I have a reason to go back to Chicago...
That is all.