walls of Themistocles

The Themistoclean Wall (Greek: Θεμιστόκλειον τείχος), named after the Athenian statesman Themistocles, was built in Athens, Greece during the 5th century BC as a result of the Persian Wars and in the hopes of defending against further invasion.

Archaeological site data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).