After the second tower fell and our neighbors sped off in the red expedition, Milda and I turned North on Nassau Street (I think it was Nassau. I'll have to go back down there later to make sure). Pebbles and thick black soot and ash particles were falling around us, but larger debris was blocked by the buildings around us.

Most people were getting off the streets because the air was so thick with smoke and dust as to be unbreathable, and kept getting in your eyes. The few people we did see tended to be from the press, emergency workers, or leaving the area in a hurry.

As you can see here, you could really only see about 100 feet or so, after that it was just gray