Neil Oliver explores the remains of brutal Iron Age battles and Celtic rebellion as he reaches the moment when Celtic Britain was ripped apart by the world's great empire - the Roman army.

Neil Oliver completes his epic journey through thousands of years of ancient history with the modern marvels of Rome. Digging beneath a London tower block, discovering building work from a massive stadium, and encountering the remains of an African woman who lived in York 1800 years ago - all evidence of the extraordinary multicultural modern world of Rome.