In what is probably the first in-depth study into the construction of Orkney's stone rings, Dr Colin Richards suggests that it was not necessarily the stone circles that were significant but rather the act of constructing them. The full paper includes Callanish, Arran and Orkney. See http://www.orkneyjar.com/archaeology/stonecircles.htm -- Sigurd Towrie Blackhall - Kirbister - Stromness - Orkney Heritage of Orkney: www.orkneyjar.com Home: sigurd@orkneyjar.com Work: sigurd.towrie@orcadian.co.uk