The house itself was nothing special, creaking and groaning under its own weight as the growing storm punished the building. The rooms were empty, unfortunately, but he checked it out anyway. There were more holes here, but they were smaller, having to push through rock and solid foundations rather than soil. But it did prove interesting, for the holes went straight down to the very rock the house was founded on and went considerably deeper than the holes outside. Looking down the hole had collapsed in on itself, he was soon drawing the conclusion whatever was causing the holes actually did originate underground.