During the Iron Age, tribal culture began to take hold and people needed to defend their territory against their rivals. The tribe which held the Nene Valley, the Corieltauvi, may have had allegiances to the large and powerful tribe to the south, the Catuvellauni, but we don’t know about their other neighbouring tribes. The settlement within Nene Park (mainly on what is now Coney Meadow at Ferry Meadows) became more defensive, as we can see on geophysical survey results. Ditches almost a kilometre in length were built across a meander in the River Nene, so that the settlement would be protected on all sides. The Iron Age is also when we can first start to see similarities between how people lived then and now: the Celts wore linen and dyed wool, used coins as currency and enjoyed continental luxuries, including Roman wine.