To be felled like a moth that flew too close to a flame would be... unfortunate.

"Did I look like a traveler? Are these heights common, then, to the people who live here? I suppose they must be."

Altaïr stares upward again, feeling free to now that he's been caught at being a tourist or a new visitor. He's been a traveler and also posed as one. This is all right.

"Did you drop something?" D had looked more like a hunter tracking something, but that is more excusable in a forest, not in the middle of a city.