When he came to the first mountain he saw that it was lying flat on its side against the sky — and that it only came up to his shoulders! He was past surprise, his senses dulled by days of wonder. The peak of the mountain was tipped with something white and hard, apparently the same substance as the sky only of a different color. He climbed onto the tip of the mountain that lay flat on the ground of the sky and pointed at him like a great wedge, and walked along it until the white ended and he came to the solid rock. What did this mean? He saw the valley, now only halfway up the sky ahead of him and tilted on edge. He tried to imagine how this spot would look from the valley, and closed his eyes to remember better. Looking from the base of the cliff beyond Zaachila you could see over the pyramid to the great mountains outside of the valley, and the even more distant, immense and high mountains, that were so tall that they had snow on their peaks all year round. Snow! He opened his eyes and looked at the shining white substance and laughed. Here he was perched on a snowy mountain peak — if they could see him from the valley he must look like some sort of monstrous giant.
Chimal went on, climbing among the strange, lying-down mountains, until he came to the opening in the rock and the familiar metal rungs that vanished out of sight below. It was another entrance to the tunnels.
He sat down next to it and thought very hard. What should he do next? This was undoubtedly an entrance to the burrows of the Watchers, a part he had not been to yet, since it was far across the valley from the doorway he had first used. He had to go down here, that Was certain, since there was no place to hide among the barren rocks. Even if there were a place to hide, his food and water would not last forever. This reminder of the food sent a rumble of hunger through him and he took out a package and opened it.
What was he to do after be entered the burrow? He was as alone as no one had ever been before, with every man’s hand turned against him. His people in the valley would kill him on sight, or more probably hamstring him so the priests would have the pleasure of giving him a protracted death. And the Master Observer had called him a non-person, therefore a dead person, and they had all worked very hard to put him into that condition. But they had not succeeded! Even their weapons and their cars and all the things they knew had not helped them. He had escaped and he was free — and he intended to stay that way. In which case a plan was needed to insure this condition.
First he would hide his food and water out here among the tumbled rocks. Then he would enter the tunnel and, bit by bit, would explore the surrounding caverns to discover what he could of the secrets of the Watchers. It was not much of a plan — but he did not have any other choice.
When he had finished he hid his supplies, and the empty food wrapper, then threw open the lid of the entrance. The tunnel below was rock floored and began just below the opening. He went along it cautiously until it joined a wider tunnel that had two sets of tracks down the center. There were no cars in sight, nor could he hear any approaching. He had no choice but to go down this tunnel. Holding the killing thing ready he turned right, toward the valley’s end and set off between the tracks at an easy trot, covering the ground quickly. He did not like this exposed position and he turned into the first opening that appeared. This proved to be the opening to some circular metal stairs that ran down and around and out of sight in the rock below. Chimal started down them, going steadily even though he became dizzy from the constant turning.
As he went lower he heard a humming sound that grew louder while he descended. At the bottom he came out in a damp tunnel that had a trickle of water down the middle, and the hum was now a hammering roar that filled the shaft with sound. Chimal went forward carefully, alert for any motion, until the tunnel ended in a high cavern that held towering metal objects from which the torrent of sound poured. He had no idea what their function might be. Great round sections of them vanished up into the stone above, and from one of these sections came the dribble of water that ran across the floor and into this tunnel. From the security of the entrance he ran his eye down the row of immense things, to the far end where brighter lights shone on a board of smaller shining objects before which a man sat. Chimal drew back into the tunnel. The man’s back was to him and he had certainly not seen the intruder yet. Chimal went back down the tunnel and past the metal stairs. He would see where this led before he went back to the chamber of cars.
As he walked the noise behind him lessened and, when it had died away to a distant hum, he was aware of the sound of running water coming from somewhere ahead. Darkness filled the mouth of the tunnel. He stepped through it onto a ledge above the blackness. A row of lights, curving away to his left, reflected from a dark surface. He realized that he was looking at a vast underground lake: the running water sounded far out ahead of him and small waves trembled the reflections on the surface. The cavern that held the water was vast and the echoes of the falling water sounded on all sides. Where was this place? In his mind he ran through the turnings he had made, and tried to estimate how far he had come. He was much lower than when he had started, and had come north, and then east Looking up he could imagine his route — and there above would be the swamp at the north end of the valley. Of course! This underground lake lay beneath the swamp and drained it. The things back there in the cavern did something to force the water through pipes back to the waterfall. And where did the row of lights go that skirted the edge of the dark lake? He walked forward to find out
A ledge had been cut from the rock of the cavern wall and the lights were spaced along it The rock was slippery and damp and he went carefully. One quarter of the way around the water it went, then ended at another tunnel. Chimal realized that he was tired. Should he go on, or return to his hiding place? That would be the wisest thing to do, but the mystery of these caverns drew him forward. Where did this one lead? He started into it. It was damp, mustier than the other tunnels, though it was lit by the same evenly spaced windows of light No, not as even as the others, a black gap showed ahead like a missing tooth. When he came up to this spot he saw that one of the smooth objects was inset there — but this one’s fire was gone and it was dark. The first one he had seen like this. Perhaps this tunnel was rarely used and this had not been noticed yet. At the end of the tunnel was another round stairway of metal up which he climbed. This emerged into a small room that had a door in one wall. When he put his ear to the door he heard nothing from the other side. He opened it a narrow crack and looked through.
This cavern was quiet, empty, and the largest one he had yet encountered. When he entered it the sound of his footsteps made a tiny rustle in its towering vastness. The lighting here was far less than that of the tunnels, but it was more than enough to show him the size of this cavern, and the paintings that adorned the walls. These were lifelike and strange, people and unusual animals and even odder metal objects. They were marching, all of them, a torrent of frozen motion, going toward the far end of the cavern where there was a doorway flanked by golden statues. The people of the paintings were dressed in different and fantastic Ways, and were even of different skin colors, but they all went to a common goal. The pressure of these silent marchers drove him that way too, but not before he looked about him.
The other end of the cavern was sealed with immense boulders that, for some reason, looked familiar to him. Why? He had never been in this place before. He walked closer to them and looked up at their piled magnitude. They reminded him very much of the rock barrier that sealed the end of the valley.
Of course! This was the other side of that same barrier. If the gigantic boulders were removed the valley would be open, and he did not doubt for a second that the powers that had been used to carve these tunnels and build a sun could be used to throw aside the rocks in front of him. From outside there had appeared to be no exit from the valley — because the exit was sealed inside the rock. Could the legends be true? That some day the valley would be open and his people would march forth. To where? Chimal spun about and looked at the high opening at the far end of the chamber. What did it lead to?