A huge ancient fish trap more than 250 metres long and probably at least 1,000 years old has just been discovered in the Teifi estuary. The underwater structure was first identified on aerial photographs and a recent exploratory dive at the site near Poppit has revealed the structure is protruding about 30 cm above the sand, allowing for a fuller investigation by divers. A collaborative project is currently underway between Pembrokeshire College and the Dyfed Archaeological Trust, and members of the public are being asked to help with information for research into the conundrum of the ‘Poppit fish-trap’. Dr Ziggy...