Go back down the tunnel.
When you leave the tunnel, you find yourself in a small room. Momentarily taken by surprise when you glance something moving on a nearby wall, you step back into the tunnel for a moment. At last, you see that the pictures in this section of the Tower are moving. They look as if you could easily take copies of them out of the room with you.
A small sign hangs on the wall directly across from the tunnel entrance. It reads:
