Loughcrew Ireland...

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Loughcrew Ireland... Empty Loughcrew Ireland...

Post by Rockhopper on Tue Dec 30, 2014 2:32 am

Loughcrew Ireland... Equinox-2009-chamber

Stone cairns at Loughcrew Ireland circa 3600BC and how the sun illuminates various designs on the interior walls at various times of the year...

Time lapse of the sun inside the cairn.



http://www.knowth.com/loughcrew-equinox.htm

Tim.
Rockhopper
Rockhopper

Posts : 4282
Join date : 2014-06-13
Age : 75
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