“Those hills appear to be everywhere quite impassable, Arima,” he said. “Where is the road by which we came over them?”
“It is not permitted to me to say, Lord,” answered Arima with a deprecatory bow. “There is but one known way of passing to and from the outside world, and that way is a jealously guarded secret, communicated to but few, who are solemnly sworn to secrecy. It is regarded by the Council as of the first importance that the secret should be preserved intact, as it is known that rumours of the existence of the City of the Sun have reached the outer world, and more than one attempt has been made to find it. But we are all pure-blooded Peruvians of the ancient race here, and it is a tradition with us to keep ourselves uncontaminated by any admixture of alien blood, therefore every possible precaution is taken to maintain the most absolute secrecy as to the way by which the Valley of the Sun is entered and left.”
“But if that is so, why has Tiahuana brought me here?” demanded Harry. “I am an alien, you know; yet, as I understand it, I have been brought here to rule over you all!”
“Yes, it is even so, Lord,” answered Arima. “But my Lord is an alien only by an accident of birth, which must not be allowed to interfere with the fact that my Lord is in very truth the reincarnation of Manco Capac, our first Inca and the founder of the Peruvian nation.”
“In that case,” said Harry, “it is but meet and right that I should know the secret way into the outer world. Surely what is known to several of my subjects should also be known to me?”
“Undoubtedly, Lord,” answered the Indian; “and the information will certainly be imparted to my Lord in due time, when he has been accepted and proclaimed Inca by the Council of Seven. But I have no authority to impart that information, and I implore my Lord that he will not urge me to do so and thus break the solemn oath of secrecy which I have sworn.”
“Very well, Arima, let it be so,” answered Harry. “Doubtless, as you say, I shall be informed in due time; and meanwhile you are perfectly right to remain true to the oath which you have sworn. Now, let us get down into the valley. After scrambling up and down mountain sides for so many days, I have a longing to walk on a smooth and level road once more.”
The footpath from the house to the main road sloped obliquely along the face of the hill, descending by a tolerably easy gradient for a distance of about a mile before it joined the road at a depth of some three hundred feet below the level of the house. Upon reaching the road, which, be it remembered, completely encircled the lake, Escombe had yet another opportunity to note the thoroughness with which the Peruvians did their work, and the inexhaustible patience which they brought to bear upon it. For this road, approximating to one hundred miles in length, was constructed of a uniform width of about one hundred feet, apparently also of uniform gradient—for in some parts it was raised on a low embankment, while in others it passed through more or less shallow cuttings—and with just the right amount of camber to quickly throw off the rainwater into the broad gutters or watercourses that were built on either side of it. The most remarkable feature of the road, however, was that it was paved throughout with broad flags of stone, which, like the blocks of which the house was built, were so accurately fitted together that the joints could only be found with difficulty.
The young Englishman spent some three hours sauntering along that magnificent road, enjoying the pure air, the genial temperature, and the sight of the superb panorama that hemmed him in on every side, pausing often to note the clever system of irrigation adopted by the inhabitants, whereby every square inch of cultivable soil could at any moment receive precisely the right quantity of water to satisfy its requirements; admiring, with the eye of an engineer, the workmanship displayed in the construction of the ample culverts whereby all excess of water was promptly discharged into the lake; and marvelling at the varied nature of the agricultural products of the valley; for it seemed to him that, in the comparatively circumscribed space between the margin of the lake and the highest point on the mountain slope to which the barest handful of soil could be induced to cling, there were to be found examples of every vegetable product known to the sub-tropical and temperate zones, while it was a never-ceasing source of astonishment to him that such enormous numbers of cattle and sheep were apparently able to find ample sustenance on the proportionately small quantity of land allotted to pasture. What seemed to him somewhat remarkable was that, while cattle, sheep, and even horses were apparently plentiful in the valley, he saw no llamas; but it was afterwards explained to him that the climate there was altogether too mild for them, and that the enormous herds owned by the inhabitants were kept in the highlands on the other side of the encircling mountains.