Australian researchers from Curtin University have proposed a new theory regarding the construction of Stonehenge, an ancient monument on England's Salisbury Plain believed to be around 5000 years old. The prevailing mystery has been how prehistoric societies transported massive stones, such as the six-tonne Altar Stone from north-east Scotland, approximately 700km away. While previous theories involving Ice Age glaciers have been debunked, the Curtin University study, published in the Journal of Quaternary Science, suggests a deliberate, multi-stage human effort. Researchers believe glaciers may have moved the stones part of the way, possibly to the North Sea's Dogger Bank, but people were ultimately responsible for overland hauling and potential river or coastal transport, requiring significant planning and cooperation among Neolithic communities.