Source of Stonehenge Stone

Fascinating find: in the Welsh news, icWales - Archaeologists figure out mystery of Stonehenge bluestones.

The enclosure is just over one acre in size but, according to team leader Professor Tim Darvill, it provides a veritable "Aladdin's Cave" of made-to-measure pillars for aspiring circle builders. Within and outside the enclosure are numerous prone pillar stones with clear signs of working. Some are fairly recent and a handful of drill holes attest to the technology used. ... They were then moved 240 miles to the famous site at Salisbury Plain, Wiltshire. The discovery comes a year after scientists proved that the remains of a "band of brothers" found near Stonehenge were Welshmen who transported the stones.