Dark Skies: Welsh island is first sanctuary in Europe
Ynys Enlli, also known as Bardsey Island, officially has one of the best night skies in the world. …
But dark sky advocates say it doesn’t need to be this way. Even in urban areas, more carefully directed lighting that doesn’t shine up into space, and lights that are switched off when they’re not needed, could help save energy and bring back the glow of a naturally dark night sky.
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