... scarcely seemed less impregnable now, for upon two sides at least, the cliffs rose sheer from the gorge until they were joined by the heavy buttresses which tapered gracefully until they joined the walls of the crenelated towers and bastions. In the center of the mass of buildings rose the square solid mass of the keep, with its crenelated roof and small windows commanding every portion of the space enclosed within the gray walls. He marked the dim lines of a ... — The Secret Witness • George Gibbs
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