At the entrance we find large open spaces, where air and light stream freely in.

The hypostyle hall is pervaded by a sober twilight; the sanctuary is more than half lost in a vague darkness; and at the end of the building, in the farthest of the chambers, night all but reigns completely.

The effect of distance which was produced by this gradual diminution of light, was still further heightened by various structural artifices.

The parts, for instance, are not on the same level.

The ground rises from the entrance (fig.