our feet. We could see nothing below us. And above us the hole open upon the sky grew smaller and smaller, till it came to be the size of a button. But still we went down. Then our foot touched the ground. We rubbed our eyes, for we could not see. Then our eyes became used to the darkness, but we could not believe what we saw.
No men known to us could have built this place, nor the men known to our brothers who lived before us, and yet it was built by men. It was a great tunnel. Its walls were hard and smooth to the touch; it felt like stone, but it was not stone. On the ground there were long thin tracks of iron, but it was not iron; it felt smooth and cold as glass. We knelt, and we crawled forward, our hand groping along the iron line to see where it would lead. But there was an unbroken night ahead. Only the iron tracks glowed through it, straight and white, calling us to follow. But we could not follow, for we were losing the puddle of light behind us. So we turned and we crawled back, our hand on the iron line. And our heart beat in our fingertips, without reason. And then we knew.
We knew suddenly that this place was left from the Unmentionable Times. So it was true, and those Times had been, and all the wonders of those Times. Hundreds upon hundreds of years ago men knew secrets which we have lost. And
