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"Dr Campbell Price said the "efficient movement of large numbers of ancient monuments" has never been fully explained."

This is an understatement!!! Steven Tasker's machine wouldn't work up ramps even if they were 15 feet wide.

The primary difficulty and work imposed by moving stones horizontally is simple friction. Stonehenge's builders could have eliminated this by merely moving the stones on sleds over snow.

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Man fears the pyramid, time fears man.