Chris Harris April 12, 2019 Getting down and dirty on the foreshore throws up Bronze Age bones! Chris Harris April 12, 2019 Over the past four days, a group of archaeology enthusiasts have been taking part in an excavation of Bronze Age artefacts (2300 BC to 750 BC) on the foreshore of the Severn Estuary at Peterstone, on the Wentlooge Levels.