The only sign he gave that he even noticed was the brief glance of his eyes towards Owen's fingers before returning their focus on the man's face. "Rebuild, yes. An interesting thing. Taking... Putting everyone to sleep for a hundred and fifty years. I suppose it would make sense if the air were unbreathable. Likely they had something in place to test the air and wake up those essential to running the place when it became safe again." The alternative to 'setting up a place to recondition kidnapping victims', and it was perhaps a bit noticable that he didn't believe his own explanation, his lips showing the faintest of smirks. "I shall have to look into it," he mused thoughtfully.