Newgrange Megalithic Passage Tomb
3200 BCE
Newgrange — built 5,200 years ago — is older than Stonehenge and the Pyramids, and precisely aligned so that sunlight illuminates its inner chamber for exactly 17 minutes at winter solstice sunrise.
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Newgrange Passage Tomb
3200 BCE
Newgrange is a 5,200-year-old passage tomb in Ireland, older than Stonehenge and the Egyptian pyramids. It was built with a precisely engineered roof-box above the entrance that allows sunlight to penetrate the entire 19-metre passage and illuminate the inner chamber for exactly 17 minutes at dawn on the winter solstice — a feat of astronomical engineering that required centuries of observation to plan.
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