Silchester discovers iron age past

Aerial view of Roman ruins at Silchester Photograph: Jason Hawkes/Corbis

Archaeologists working on the site of the latest dig Photograph: Graham Turner

Student archaeologist Lucy Dowling digging an iron age pit Photograph: Graham Turner

Professor Mike Fulford at the north gate of the Roman wall Photograph: Graham Turner

Fulford climbs along the north gate Photograph: Graham Turner

Fulford holds a Roman writing tablet Photograph: Graham Turner