Re: Starting again...
Why does no-one ever search for traps? I was going along, 'oh, lets see, a tunnel...' and I thought, 'Hey! Perfect place for a trap,' but it appears no-one else thought this.
If you remember, I said that it may have been unstable. This tunnel was made, and common sense dictates that people would not use a structurally unstable tunnel, nor would a city be built over unstable rock. Is this enough to get you thinking, or need I go on?