The city of dreams. I'd gladly kick the balls off the idiot who thought that one up.

It's like... Did you ever try to put a broken piece of glass back together? Even if the pieces fit, you can't make it whole again the way it was. But if you're clever, you can still use the pieces to make other useful things. Maybe even something wonderful, like a mosaic.

Please be advised that a noticeable taste of blood is not part of any test protocol but is an unintended side effect of the Aperture Science Material Emancipation Grid, which may, in semi-rare cases, emancipate dental fillings, crowns, tooth enamel, and teeth.

Okay, almost there. On the other side of that wall is one of the old testing tracks. There's a piece of equipment in there we're gonna need to get out of here. I think this is a docking station. Get ready...

smashes into wall

Good news: that is NOT a docking station. So there's one mystery solved. I'm going to attempt a manual override on this wall. Could get a bit technical! Hold on!

smashes into wall, again

V: Bug, ya could at least try to be... nice.
T-Bug: You want nice, supportive? Call a damn helpline.