Ruins of the megalithic cairn near the summit of Tibradden, Dublin Mountains, Ireland.
origin of the Global Vision project:
Michael O'Callaghan conceived the Global Vision project during an astro-archaeological field trip to this cairn at Tibradden on the Summer Solstice 1972. More.
URL of this page: www.global-vision.org/about/tibradden2.php
• updated 26 June 2010