...People used the hilltop from the Neolithic period through to Roman times, but the main settlements here date to the later Bronze Age and Iron Age (from about 1000 BC to AD 43).The discovery of a stone axe and flint tools here suggests that the hill was first occupied in the Neolithic period. The first direct evidence of a settlement, however, dates to about 1000 BC, before the first ramparts were built.The settlement appears to have been surrounded by some sort of palisade or fence. Each roundhouse was built using wooden posts with wattle-and-daub walls. A central post probably supported...