No one is entirely sure why, or even how, the mighty Stonehenge was built around 5,000 years ago.
Now, a new study argues the world-famous Wilshire monument served as an ancient solar calendar, helping people track the days of the year.
Professor Timothy Darvill, an archaeologist at Bournemouth University, has analysed the numbers and positioning of Stonehenge’s great sandstone slabs, called sarsens.
Sarsens form all 15 stones of Stonehenge’s central horseshoe, the uprights and lintels of the outer circle, as