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Some startling aerial photos of fields outside Sedgefield look like a lost Roman town - a town that would be the most northerly Roman civilian settlement.
Can Tony Robinson, Mick Aston, Phil Harding, Carenza Lewis and the team of excavators and experts redraw the map of Roman Britain in just three days?
With local MP Tony Blair due to drop in at the end for a history lesson, the pressure really is on.
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