Revelers interact with the stone monument as the sun sets behind the stones at Stonehenge, near Amesbury, in Wiltshire, southern England on June 20, 2022, on the eve of a festival, dating back thousands of years, that will celebrate the longest day of the year when the sun will be at its maximum elevation. - The stone monument -- carved and constructed at a time when there were no metal tools -- symbolises Britain's semi-mythical pre-historic period, and has spawned countless legends. (Photo by Justin TALLIS / AFP)