Introduction to the ancient site entrance: The 1st to 5th layers of the excavation of the ancient city of Troy (about 3000 BC to 1700 BC) are equivalent to the early Bronze Age; the 6th layer (1700 BC to 1250 BC) , Level 7 (1250 BC to 1000 BC) belongs to the middle and late Bronze Age, close to the period of the Trojan War, because at this time the cultural representations of the Indo-European people and Mycenaean-related cultural relics began to appear; the 8th (BC 700 to 85 BC) and Level 9 (500 to 85 BC) belong to the Early Iron Age.