Part 2/15:
These early humans etched remarkable artistic expressions into caves like Gargas and Lasasco, and built mysterious megalithic monuments such as the stones of Carnac during the Neolithic period. As agriculture advanced, cultures like the Campaniforme emerged, followed by others such as the Armorican tumulus builders and the urnfield cultures of the Bronze Age. The Iron Age saw significant developments, with cultural influences from the Hallstatt civilization and various Celtic tribes.