
It is a cave with an entrance shaped like a cat's ear, commonly known as the "Cat's Ear Cave". The Syracuse people dug it according to the acoustic principle. Anyone speaking in the center of the cave will become a soprano or a soprano, and the sound will be amplified dozens of times. Dionysius was a tyrant in Syracuse. It is said that the tyrant used this acoustic effect to eavesdrop on the prisoners' conversations.




It is a cave with an entrance shaped like a cat's ear, commonly known as the "Cat's Ear Cave". The Syracuse people dug it according to the acoustic principle. Anyone speaking in the center of the cave will become a soprano or a soprano, and the sound will be amplified dozens of times. Dionysius was a tyrant in Syracuse. It is said that the tyrant used this acoustic effect to eavesdrop on the prisoners' conversations.
The Ear of Dionysius, also known as the Cat's Ear Cave. The surrounding scenery.