It is framed by airplanes.

On September 11, 2001, I stood with a bunch of other New Yorkers on a street corner on the Lower East Side, gazing up at the surreal sight of smoke billowing out of a gaping hole in the North Tower of the World Trade Center, and a cloud of what looked like glitter — shattered glass — floating in the sky around it. No one knew exactly what had happened, but talk was that a plane…