Time Team investigate a huge hill near Cardiff that may be immensely significant; is it the long-lost Iron Age capital of South Wales? During the course of their investigations the archaeologists make one particularly rare discovery: the most complete Early Iron Age cup ever found in South Wales, which proves that the site is from the earliest part of the Iron Age, at around 800BC. A huge hill dominates the Ely housing estate in Cardiff. Its towering ramparts and deep ditches identify it as a hillfort, and the effort of their construction indicates that this was no ordinary Iron Age homestead. The site's so big that thousands of people could have lived up here. It's never been explored before. If there were houses, none are visible now and the age of the fort has always been a mystery. Tony Robinson and the Team have five acres of hilltop, half a mile of ramparts and ditches and just three days to answer some very big questions. Fortunately local residents are keen to he