Hogfather - Abandoned

Susan walked further in, lost in thought. This was all wrong. The place looked as though - it had been deserted for years, which couldn't be true. The column nearest her creaked and twisted slightly. A fine haze of ice crystals dropped from the roof.

Of course, this wasn't exactly a normal place. You couldn't build an ice palace this big. It was a bit like Death's house. If he abandoned it for too long all those things that had been suspended, like time and physics, would roll over it. It would be like a dam bursting.

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Hogfather - p137