Prehistoric buildings found on Skomer Island

A team of archaeologists have found "hidden" remains of prehistoric buildings and fields on Skomer Island, off the Pembrokeshire coast.

Archaeologists carried out a geophysical survey of the island to find out what's beneath the surface [Credit: BBC]

Using new technology, they "X-rayed" fields and found buried ditches and structures not visible on the ground.

Dr Toby Driver from the Royal Commission on the Ancient and Historical Monuments of Wales said they may date back 5,000 years.

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