[She nods, and tries to remember the way back to the particular apartment block she awoke in. Since all the buildings look identical, after a little while she just guesses, and goes to open one of the front doors nearest to them. When it just swings open, she takes a cautious step in, and looks for a flight of stairs

They're apparently all the same on the inside as the outside..this plce should be good as any.

[Letting go of his hand, she rounds a corner nearby, and turns back]

Here - I came down a set of stairs just like these - the rooms are up there