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Possible archaeological discovery in Meath, Ireland described as 'very significant'.
The henge, which could measure up to 200 metres in diameter, is believed to have been built some 500 years after the Newgrange site, around 3000 BC.

https://www.rte.ie/news/leinster/2018/0711/977969-newgrange/ https://social.coop/media/eiCoPukRC7CrQnCxSxM