All Things GiantsBuried Giants of Brittany: Ground-Penetrating Scans Uncover Hidden Stone “Bodies” Within 6,000-Year-Old Earthen Mounds Posted on August 10, 2026 by Administrator Before the great standing stones of Stonehenge rose on Salisbury Plain or the pyramids of Egypt appeared along the Nile, Neolithic communities along the coast of Brittany built long earthen monuments unique in prehistoric Europe. Now, archaeologists are using electrical resistivity surveys and other non-invasive geophysical techniques to peer inside these mysterious 6,000-year-old mounds without disturbing them.