Newgrange detail of entrance to the tomb passage showing postandlintel doorway surmounted by roof box allowing light of the Winter Solstice sunrise to penetrate into the interior chambers ca 3200 BCE
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PRE004
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Newgrange: detail of entrance to the tomb passage, showing post-and-lintel doorway surmounted by “roof box,” allowing light of the Winter Solstice sunrise to penetrate into the interior chambers, ca. 3200 B.C.E.