5,000 years ago, Stonehenge was built.  Beyond that, not much is known. Why it was a built - as a  a temple of healing, a calendar, or even a royal cemetery - and how, has been a matter of speculation.

Researchers say they are closer to cracking one aspect of the mysteries after working out the exact spot where some of the rocks came from - an outcrop 150 miles away in north Pembrokeshire.

The rocks, called rhyolites, have been narrowed down to the .04 miles area called Craig Rhos-y-Felin after testing thousands of samples and finding a match. The next step is to look for evidence of quarrying at the site in search of more details as to how the stones were rolled, sledged and rafted down the River Avon to their final destination by early Britons, which could debunk another theory - that the rocks were not transported by humans at all but by the movement of glaciers during the Ice Age several millennia earlier.

So THAT'S where the rocks for Stonehenge came from 5,000 years ago - Tamara Cohen, Daily Mail