Of the sky? Most rooftops in the city do, yes.

[Wow, that is really cool! Spike's person does magic and fashion stuff. See? He puffs up a bit so Spikes can see the green bow tie proudly affixed just above his Spirit symbol.]

Fourth District. I'll be there presently. I wouldn't go into the Post Office quite yet - from what I hear, it's a bit of a maze.