 These were huge cliffs, which, dashed together by the force of the winds, closed the sea passage.Thick was the mist that swept over them, and loud the crash, and it was impossible for even the birds to pass between them.So he told them to let fly a dove between the rocks, and, if they saw it pass safe through, to thread the narrows with an easy mind, but if they saw it perish, then not to force a passage.