Luckily for Colin, Gareth is incapable of Taking A Hint, and lops along right after him, raising his eyebrows as the man talks to himself. There’s the kneejerk reaction to make up some story about how a building could possibly be not a building, but–He didn’t seem to like the first joke very much, he doubts that one would go any better.

“…They’ve got flowers, now.” People like flowers, right? Flowers are nice. "And trees. I can't believe they managed to grow anything in this pit of the void, but they did." He smiles cheerfully. "So there's that."