recent discoveries at bryn celli ddu. a geophysical survey was conducted, recently, around the bryn celli ddu chambered tomb exposing evidence of a cairn cemetery. the 5,000-year-old tomb, a complex dating from the neolithic through to early bronze age, was also found to include the at least four burial cairns and a cluster of prehistoric pits with pottery deposits, worked flint, and tools. its relationship to the summer equinox was tested confirming that the main passage focuses the light along its length and illuminating the entire polygonal stone chamber.
in addition 8 new cup marked, rock art panels have been identified using 3d scanning techniques on nearby outcrops. a dumbbell motif surrounded by singular cup-marks, and cup-marks in close formation, possibly in the form of a rosette and one with a large cup-mark
