The base is really a lot bigger than it needs to be. A few of these rooms have furniture, but most haven't seen any use except as storage space, if even that. There's nothing to prevent them from using it all as rabbit housing, at any rate, and Yuri leaves the doors open as he goes. The hall ends abruptly, and Yuri turns back.

"That's what I thought," he says to himself as much as to Peeta as they double back. "If we just block off the end of the hall, we're good."