The professor gives a forced laugh.<br/><br/>"Working, I'm afraid.  Listen, what I said earlier about the dig not being open to the public...that's quite true, but I might be able to arrange a visit.  If, that is, any of you are interested."<br/><br/>He nods to the concierge.<br/><br/>"My young assistant has the right of it.  Two singles for a week...and possibly for two, if not longer.  It would hardly be proper for us to share a room, you see."