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 replicas and derivatives of postholes for standing timbers, discovered in 1922, was named Woodhenge by its excavators because of similarities with Stonehenge. The name woodhenge is also used for a series of timber circles found at the Native American site of Cahokia (Cahokia Woodhenge). The timber Seahenge in Norfolk was named as such by journalists writing about its discovery in 1998. In November 2004, a diameter circle of postholes was found in Russia and publicised as the Russian Stonehenge. Other prehistoric sites elsewhere, often also with proposed astronomical alignments, are often described by journalists as being that region's '"answer to Stonehenge". In May