Theories about Stonehenge for solstitial alignments in stonehenge and the timber circles at Durrington Walls and Woodhenge as well. Mike Parker Pearson also believes that the stonehenge was a monument of unification, bringing together different groups with different ancestries. He surmises that the five trilithons in the center of stonehenge could have symbolized five tribal lineages charting their descent from five original ancestors. The Preseli Hills might have had some ancestral significance for the stonehenge builders as well (perhaps this was their place of origin), this may have been the motive behind dragging the bluestones all the way from Preseli Hills to Wiltshire.
Stonehenge Riverside Project In the late summer of 2008, a further four weeks of excavations were carried out. The year's excavation focused largely upon the Avenue, largely re-excavating work by Richard Atkinson. More work was carried out upon the Eastern end of the Stonehenge Cursus, Long Barrow 42 (which is at the eastern terminal of the Cursus), the field to the west of Stonehenge, and a re-excavation of one of the Aubrey Holes within the stonehenge bowl. The excavation was covered by "Time Team" but was also covered by "Nova" and "National Geographic". Residencies for six visual artists were arranged by Artists in