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Remains of the circular walls round towns and palaces, which are known under the name Cyclopean, exist at the present day. These are found both in Greece itself and in many of the Greek colonies, as in Italy and Sardinia. Such walls consist of gigantic polygonal blocks of stone, the corners of which fit accurately into one another. Other structures of this kind consist of regular blocks of equal height. Both kinds are constructed entirely without mortar. The Lion Gate served as the gateway to the city of Mycenæ.

The Lion Gate at Mycenæ

Remains of the circular walls round towns and palaces, which are known under the name Cyclopean, exist…