(FILES) The sun rises at Stonehenge, near Amesbury, in Wiltshire, southern England on June 21, 2024, during the Summer Solstice festival, which dates back thousands of years, celebrating the longest day of the year when the sun is at its maximum elevation. The Altar Stone of Stonehenge in southwest England came from 750 kilometres away in northeast Scotland, surprised scientists said on August 14, 2024, solving one mystery but raising another: how did its prehistoric builders move the huge slab such a distance? (Photo by William EDWARDS / AFP)