The Quarries of Syracuse (Ear of Dionysius).
Cavern at Syracusae called the Ear of Dionysius: a. Hole by which the ascent is made into what is called the Chamber of the Tyrant. b. Remains of ancient aqueducts. c. Mouth of a large cavern in which Salipetre is now made.
HUGHES, Thomas Smart. Travels in Sicily Greece and Albania... Illustrated with engravings of maps scenery plans &c., vol. Ι, London, J. Mawman, 1820.
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