How to watch the Winter Solstice sunrise live from Newgrange this weekend
A view of Newgrange, a Neolithic passage tomb that is older than the pyramids in Egypt, located in the Boyne Valley, Co Meath
The Winter Solstice is the period around December 21. It is an astronomical phenomenon that marks the shortest day and the longest night of the year.
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![<p> The International Union for the Conservation of Nature says that “an ecosystem is collapsed when it is virtually certain that its defining biotic [living] or abiotic [non-living] features are lost from all occurrences, and the characteristic native biota are no longer sustained”.</p>](/cms_media/module_img/9930/4965053_12_augmentedSearch_iStock-1405109268.jpg "<p> The International Union for the Conservation of Nature says that “an ecosystem is collapsed when it is virtually certain that its defining biotic [living] or abiotic [non-living] features are lost from all occurrences, and the characteristic native biota are no longer sustained”.</p>")
