Nis and it’s Skull Tower : A Serbian Battleground
Nis is one of the oldest cities in the Balkans, and has from ancient times been considered a gateway between the East and the West. The Paleo-Balkan Thracians were formed in the Iron Age, of which the Triballians dwelled in this region with a Celtic invasion in 279 BC that resulted in the forming of the Scordisci tribe.
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