Researchers surveying an ancient complex of Neolithic standing stones on a Scottish island believe they have uncovered extraordinary evidence of the likely inspiration for the circular site, the scar of a huge lightning strike.

Archaeologists have long studied connections between ancient stone circles and forces of nature, such as the position of the stars and the courses of the Moon and Sun, but this may be the first time a powerful lightning strike could have inspired such amazing feats of ingenuity.

Researchers from the University of St. Andrews were studying the stone circle Tursachan Calanais on the Isle of Lewis in the Outer Hebrides, when they began satellite-mapping the main stone circle site.

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