The second Theban Empire may be studied under very different conditions. The architects of that epoch excelled all their predecessors in the skill with which they used their materials, and the artistic ability with which they laid their plans. In a word, they realized the ideal towards which Egyptian builders had been tending for many centuries, and their genius is still to be seen in buildings which, even in their ruin, charm by the grandeur of their conception and the finish of their execution. In the century which saw the construction of the great temples of Abydos, of Karnak, and of Luxor, the architect who was charged with the building of the royal tombs could dispose of all the resources of an empire which stretched from the southern boundaries of Ethiopia to Damascus and Nineveh. He would have fulfilled the wishes of neither prince nor people had he not found means to give an amplitude and a beauty to those tombs which should stand a comparison with the sumptuous edifices which the same kings had erected, in another part of the city, in honour of the great deities of the country. The simple and massive forms of the pyramid did not lend themselves to success in such an enterprise. They afforded no opportunity for the happy combinations of horizontal and vertical lines, for the contrasts of light and shadow and splendour of decoration which distinguished the epoch. The experience of the Middle Empire proved that it was better to make a fresh departure than to attempt to foist upon the pyramid a class of ornament which was destructive to the simplicity in which so much of its grandeur consisted. The highest expression of the new form of art was in the temple, the development of which was rather in a horizontal than in a vertical direction; in the long avenues of sphinxes, in the pylons and colossal statues of the kings, in porticoes and forests of columns. The problem, therefore, was to embody some of these elements in the design of the tomb. For this purpose it was necessary to give increased dimensions and greater importance to a part of the royal sepulchre which had been hitherto comparatively neglected. The funerary chapel had to be expanded into a temple in miniature, into a temple where the king, who had rejoined the deities from whom he was descended, could receive the homage and worship of his people.