Stonehenge's Altar Stone is SCOTTISH, study claims

They're the circle of stones that have left historians scratching their heads for centuries. Now, experts have made a 'stunning' discovery about one of Stonehenge's most famous rocks. It has been known for a while that most of the monument's world-renowned 'bluestones' were sourced from the Preseli Hills in Wales, around 240km (150 miles) from the site in Wiltshire. But new analysis has revealed the Altar Stone, the largest bluestone at the centre of Stonehenge, actually came from northern Scotland – up to 1,000km (621 miles) away. Experts have no...