[He huffs, frustrated, after the third try gives him the exact same result. Clearly it's not something he's doing wrong, but he had to make sure by repeating it a few times.]
I'm... not sure, really. From what I understood from all this, the bridges are the connection to other worlds. So it might mean they are on their way, or in some different world all together. Or just that this place doesn't want to make it that easy.