People look on as Northern Lights illuminate the sky above Sutherland, on March 17, 2015 North coast of Scotland. Beautiful Northern Lights illuminate the night sky above Sutherland, in the north coast of Scotland. Shot by snapper Karen Munro, 38, the celestial display dazzled photographers across the Northern Hemisphere on Tuesday night. The phenomenon, also known as Aurora Borealis, is caused by eruptions on the sun, resulting in a mesmerizing light display. And because of increased solar activity, Tuesday's lights were much stronger than expected. (Photo by Karen Munro/Barcroft Media via Getty Images)
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