The Collected Stories of Arthur C. Clarke (23 page)

With an almost angry effort of will, he put these thoughts aside and rode forward into the light of Trilorne, thinking of a future in which the Wall would play no more part than it did in the lives of other men.

So two years had passed before Shervane could return to his home. In two years, especially when one is young, much can be forgotten and even the things nearest to the heart lose their distinctness, so that they can no longer be clearly recalled. When Shervane came through the last foothills of the mountains and was again in the country of his childhood, the joy of his home-coming was mingled with a strange sadness. So many things were forgotten that he had once thought his mind would hold forever.

The news of his return had gone before him, and soon he saw far ahead a line of horses galloping along the road. He pressed forward eagerly, wondering if Sherval would be there to greet him, and was a little disappointed when he saw that Grayle was leading the procession.

Shervane halted as the old man rode up to his horse. Then Grayle put his hand upon his shoulder, but for a while he turned away his head and could not speak.

And presently Shervane learned that the storms of the year before had destroyed more than the ancient bridge, for the lightning had brought his own home in ruins to the ground. Years before the appointed time, all the lands that Sherval had owned had passed into the possession of his son. Far more, indeed, than these, for the whole family had been assembled, according to its yearly custom, in the great house when the fire had come down upon it. In a single moment of time, everything between the mountains and the sea had passed into his keeping. He was the richest man his land had known for generations; and all these things he would have given to look again into the calm grey eyes of the father he would see no more.

Trilorne had risen and fallen in the sky many times since Shervane took leave of his childhood on the road before the mountains. The land had flourished in the passing years, and the possessions that had so suddenly become his had steadily increased their value. He had husbanded them well, and now he had time once more in which to dream. More than that—he had the wealth to make his dreams come true.

Often stories had come across the mountains of the work Brayldon was doing in the east, and although the two friends had never met since their youth they had exchanged messages regularly. Brayldon had achieved his ambitions: not only had he designed the two largest buildings erected since the ancient days, but a whole new city had been planned by him, though it would not be completed in his lifetime. Hearing of these things, Shervane remembered the aspirations of his own youth, and his mind went back across the years to the day when they had stood together beneath the majesty of the Wall. For a long time he wrestled with his thoughts, fearing to revive old longings that might not be assuaged. But at last he made his decision and wrote to Brayldon—for what was the use of wealth and power unless they could be used to shape one’s dreams?

Then Shervane waited, wondering if Brayldon had forgotten the past in the years that had brought him fame. He had not long to wait: Brayldon could not come at once, for he had great works to carry to their completion, but when they were finished he would join his old friend. Shervane had thrown him a challenge that was worthy of his skill—one which if he could meet would bring him more satisfaction than anything he had yet done.

Early the next summer he came, and Shervane met him on the road below the bridge. They had been boys when they last parted, and now they were nearing middle age, yet as they greeted one another the years seemed to fall away and each was secretly glad to see how lightly Time had touched the friend he remembered.

They spent many days in conference together, considering the plans that Brayldon had drawn up. The work was an immense one, and would take many years to complete, but it was possible to a man of Shervane’s wealth. Before he gave his final assent, he took his friend to see Grayle.

The old man had been living for some years in the little house that Shervane had built him. For a long time he had played no active part in the life of the great estates, but his advice was always ready when it was needed, and it was invariably wise.

Grayle knew why Brayldon had come to this land, and he expressed no surprise when the architect unrolled his sketches. The largest drawing showed the elevation of the Wall, with a great stairway rising along its side from the plain beneath. At six equally spaced intervals the slowly ascending ramp levered out into wide platforms, the last of which was only a short distance below the summit of the Wall. Springing from the stairway at a score of places along its length were flying buttresses which to Grayle’s eye seemed very frail and slender for the work they had to do. Then he realised that the great ramp would be largely self-supporting, and on one side all the lateral thrust would be taken by the Wall itself.

He looked at the drawing in silence for a while, and then remarked quietly:

‘You always managed to have your way, Shervane. I might have guessed that this would happen in the end.’

‘Then you think it a good idea?’ Shervane asked. He had never gone against the old man’s advice, and was anxious to have it now. As usual Grayle came straight to the point.

‘How much will it cost?’ he said.

Brayldon told him, and for a moment there was a shocked silence.

‘That includes,’ the architect said hastily, ‘the building of a good road across the Shadow Land, and the construction of a small town for the workmen. The stairway itself is made from about a million identical blocks which can be dovetailed together to form a rigid structure. We shall make these, I hope, from the minerals we find in the Shadow Land.’

He sighed a little.

‘I should have liked to have built it from metal rods, jointed together, but that would have cost even more, for all the material would have to be brought over the mountains.’

Grayle examined the drawing more closely.

‘Why have you stopped short of the top?’ he asked.

Brayldon looked at Shervane, who answered the question with a trace of embarrassment.

‘I want to be the only one to make the final ascent,’ be replied. ‘The last stage will be by a lifting machine on the highest platform. There may be danger: that is why I am going alone.’

That was not the only reason, but it was a good one. Behind the Wall, so Grayle had once said, lay madness. If that were true, no one else need face it.

Grayle was speaking once more in his quiet, dreamy voice.

‘In that case,’ he said, ‘what you do is neither good nor bad, for it concerns you alone. If the Wall was built to keep something from our world, it will still be impassable from the other side.’

Brayldon nodded.

‘We had thought of that,’ he said with a touch of pride. ‘If the need should come, the ramp can be destroyed in a moment by explosives at selected spots.’

‘That is good,’ the old man replied. ‘Though I do not believe those stories, it is well to be prepared. When the work is finished, I hope I shall still be here. And now I shall try to remember what I heard of the Wall when I was as young as you were, Shervane, when you first questioned me about it.’

Before the winter came, the road to the Wall had been marked out and the foundations of the temporary town had been laid. Most of the materials Brayldon needed were not hard to find, for the Shadow Land was rich in minerals. He had also surveyed the Wall itself and chosen the spot for the stairway. When Trilorne began to dip below the horizon, Brayldon was well content with the work that had been done.

By the next summer the first of the myriad concrete blocks had been made and tested to Brayldon’s satisfaction, and before winter came again some thousands had been produced and part of the foundations laid. Leaving a trusted assistant in charge of the production, Brayldon could now return to his interrupted work. When enough of the blocks had been made, he would be back to supervise the building, but until then his guidance would not be needed.

Two or three times in the course of every year, Shervane rode out to the Wall to watch the stockpiles growing into great pyramids, and four years later Brayldon returned with him. Layer by layer the lines of stone started to creep up the flanks of the Wall, and the slim buttresses began to arch out into space. At first the stairway rose slowly, but as its summit narrowed the increase became more and more rapid. For a third of every year the work had to be abandoned, and there were anxious months in the long winter when Shervane stood on the borders of the Shadow Land, listening to the storms that thundered past him into the reverberating darkness. But Brayldon had built well, and every spring the work was standing unharmed as though it would outlive the Wall itself.

The last stones were laid seven years after the beginning of the work. Standing a mile away, so that he could see the structure in its entirety, Shervane remembered with wonder how all this had sprung from the few sketches Brayldon had shown him years ago, and he knew something of the emotion the artist must feel when his dreams become reality. And he remembered, too, the day when, as a boy by his father’s side, he had first seen the Wall far off against the dusky sky of the Shadow Land.

There were guardrails around the upper platform, but Shervane did not care to go near its edge. The ground was at a dizzying distance, and he tried to forget his height by helping Brayldon and the workmen erect the simple hoist that would lift him the remaining twenty feet. When it was ready he stepped into the machine and turned to his friend with all the assurance he could muster.

‘I shall be gone only a few minutes,’ he said with elaborate casualness. ‘Whatever I find, I’ll return immediately.’

He could hardly have guessed how small a choice was his.

Grayle was now almost blind and would not know another spring. But he recognised the approaching footsteps and greeted Brayldon by name before his visitor had time to speak.

‘I am glad you came,’ he said. ‘I’ve been thinking of everything you told me, and I believe I know the truth at last. Perhaps you have guessed it already.’

‘No,’ said Brayldon. ‘I have been afraid to think of it.’

The old man smiled a little.

‘Why should one be afraid of something merely because it is strange? The Wall is wonderful, yes—but there’s nothing terrible about it, to those who will face its secret without flinching.

‘When I was a boy, Brayldon, my old master once said that time could never destroy the truth—it could only hide it among legends. He was right. From all the fables that have gathered around the Wall, I can now select the ones that are part of history.

‘Long ago, Brayldon, when the First Dynasty was at its height, Trilorne was hotter than it is now and the Shadow Land was fertile and inhabited—as perhaps one day the Fire Lands may be when Trilorne is old and feeble. Men could go southward as they pleased, for there was no Wall to bar the way. Many must have done so, looking for new lands in which to settle. What happened to Shervane happened to them also, and it must have wrecked many minds—so many that the scientists of the First Dynasty built the Wall to prevent madness from spreading through the land. I cannot believe that this is true, but the legend says that it was made in a single day, with no labour, out of a cloud that encircled the world.’

He fell into a reverie, and for a moment Brayldon did not disturb him. His mind was far in the past, picturing his world as a perfect globe floating in space while the Ancient Ones threw that band of darkness around the equator. False though that picture was in its most important detail, he could never wholly erase it from his mind.

As the last few feet of the Wall moved slowly past his eyes, Shervane needed all his courage lest he cry out to be lowered again. He remembered certain terrible stories he had once dismissed with laughter, for he came of a race that was singularly free from superstition. But what if, after all, those stories had been true, and the Wall had been built to keep some horror from the world?

He tried to forget these thoughts, and found it not hard to do so once he had passed the topmost level of the Wall. At first he could not interpret the picture his eyes brought him: then he saw that he was looking across an unbroken black sheet whose width he could not judge.

The little platform came to a stop, and he noted with half-conscious admiration how accurate Brayldon’s calculations had been. Then, with a last word of assurance to the group below, he stepped onto the Wall and began to walk steadily forward.

At first it seemed as if the plain before him was infinite, for he could not even tell where it met the sky. But he walked on unfaltering, keeping his back to Trilorne. He wished he could have used his own shadow as a guide, but it was lost in the deeper darkness beneath his feet.

There was something wrong: it was growing darker with every footstep he took. Startled, he turned around and saw that the disc of Trilorne had now become pale and dusky, as if seen through a darkened glass. With mounting fear, he realised that this was by no means all that had happened—
Trilorne was smaller than the sun he had known all his life
.

He shook his head in an angry gesture of defiance. These things were fancies; he was imagining them. Indeed, they were so contrary to all experience that somehow he no longer felt frightened but strode resolutely forward with only a glance at the sun behind.

When Trilorne had dwindled to a point, and the darkness was all around him, it was time to abandon pretence. A wiser man would have turned back there and then, and Shervane had a sudden nightmare vision of himself lost in this eternal twilight between earth and sky, unable to retrace the path that led to safety. Then he remembered that as long as he could see Trilorne at all he could be in no real danger.

A little uncertainly now, he continued his way with many backward glances at the faint guiding light behind him. Trilorne itself had vanished, but there was still a dim glow in the sky to mark its place. And presently he needed its aid no longer, for far ahead a second light was appearing in the heavens.

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