There were terraces, ledges, knolls, ravines, and embankments, one after another.
But the woods and ravines are filled with their skirmishers, trying to clear the way.
With this thought in his brain, he rode down from the luminous upper world of the moon and stars toward the nether world of drifting mists and black ravines.
These roads were from twenty to twenty-five feet wide, were macadamized with pulverized stone mixed with lime and bituminous cement, and were walled in by strong walls "more than a fathom in thickness." In many places these roads were cut for leagues through the rock; great ravines were filled up with solid masonry; rivers were crossed by suspension bridges, used here ages before their introduction into Europe.