Stonehenge's biggest remaining mysteries: The five key unanswered questions about the prehistoric monument - as research reveals the Altar Stone was sourced in Scotland
4 months ago
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As scientists reveal the surprising origins of one of Stonehenge's stones, MailOnline takes a look at the five biggest unanswered questions about the ancient monument.
Stonehenge's biggest remaining mysteries: The five key unanswered questions about the prehistoric monument - as research reveals the Altar Stone was sourced in Scotland