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 CASCADES IN THE RAVINE

the monumental stairway by which the river makes its majestic exit from the gorge of Constantine. As we stand at the foot of these cascades, the walls of Constantine appear in all their impressiveness. They are the highest walls that ever guarded city, for here they rise a thousand feet above the plain; but they were not built by human hands. Impregnable is a word that seems to have been made to describe this Wonder-City. And yet this word cannot be truthfully