Although the Sarsens in Stonehenge clearly come from nearby Marlborough Downs, there are conflicting explanations about how Stonehenge’s builders managed to transport the bluestones, which geologists believe originated in the Preseli Hills of Wales, to Salisbury Plain in England, where the monument was erected; some argue that they used brute muscle power to load the stones into boats and drag them overland, while another recent theory holds that an Ice Age glacier actually did the work of moving them.
Believers in UFOs, however, offer a third possibility—that extraterrestrials with advanced technology may have done the dirty work for humans. Controversial Swiss author Erich von Däniken, author of the 1968 bestseller Chariots of the Gods and other books, has promoted the idea that alien astronauts who visited Earth in ancient times had a role in the creation of Stonehenge and other giant structures that otherwise would have been beyond the ability of humans.
Location of Stonehenge
*Stonehenge was built between 3100 – 1100 BCE.
*The circle was aligned with the midsummer sunrise, the midwinter sunset, and the most southerly rising and northerly setting of the moon.
*The ground plan and structural engineering of Stonehenge incorporate sophisticated mathematical and geometrical understandings on the part of its builders.
*There were two types of stones used in its construction: the ‘bluestones’ (weighing as much as four tons and brought from 240 miles away) and the Sarsen stones (averaging eighteen feet in height and twenty-five tons in weight).
*It has been estimated that the construction of Stonehenge required more than thirty million hours of labor.
*More than nine hundred stone rings exist in the British Isles. Of these, Stonehenge is the most well known.
*The megalithic monuments of Britain and Europe predate those of the eastern Mediterranean, Egyptian, Mycenaean and Greek cultures.
*The Druids had nothing to do with the construction of the stone rings. Druids are known to have conducted their ritual activities mostly in sacred forest groves.
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