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Continue to ChatFrom the exterior face of the wall towers must be projected, from which an approaching enemy may be annoyed by weapons, from the embrasures of those towers, right and left. - Marcus Vitruvius Pollio from https://whatsmyquote.com/quote/from-the-exterior-face-of-the-wall-towers-must-be-projected-from-which-an-approaching-enemy-may-be-annoyed-by