Poll na mBrón (II) Poll na mBrón (II) / / gallery 
20050822ie06
The Poulnabrone Portal dolmen has been dated to be over 5,800 years old, far pre-dating the construction of the pyramids, and usually specifically aligned to the winter sun to form a secondary function as a solar calendar.
LOCATION: County Clare
DATE: Mon, 22/08/2005
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