"I'll climb--I'll see where this thing goes.

If only I can find water!" With teeth tight shut he essayed the incline.

And as he climbed he bent his eyes downward.

This, however, after a little grew impossible; he had to look to obey his eager, curious mind.

He raised his glance and saw light between row on row of shafts and pinnacles and crags that stood out from the main wall.