Eneolithic fortification of Cornești-Iarcuri - Credit: Wikimedia Commons
The Eneolithic fortification of Cornești-Iarcuri is the largest known Bronze Age fortress in Europe, located in the immediate vicinity of the modern village of Cornești, between the Romanian cities of Arad and Timișoara. Covering an area of 17.65 km2, the site encompasses four enclosing rings of earthen ramparts, wooden palisades and moats. The settlement served as an important commercial and military center in the Bronze Age. As of 2020, there are plans to inscribe the site in the World Heritage List. Read more on Wikipedia
Source: en.wikipedia.org