Eating breakfast and then wandering off to school. Oh to be 11 again.
Edit: in all seriousness? I watched the towers collapse on the television as I ate my breakfast. My parents for all their disdain of Americans were utterly horrified.
Luckily I missed the part where people jumped from towers, or the panicked screams of those on the ground and near the camera. I had an inkling that this was worse than normal. As young as I was, I was aware of the mess in the Balkans and of the Timothy McVeigh bombings so I understood that people blowing shit up was a thing, and looking at this happening in the downtown of such a large city made it all that much worse.
I was worried it would lead to all out war, and everytime this happens to people who really don't deserve it, whether they be American, British, French, Canadian, Kenyan or even middle Eastern isn't necessarily a good day for anyone.