@SaveStonehenge check mi facebook for some thoughts on why we have Stonehenge - then this comment will make sense.
"Maybe an underpass under Vesuvius?"
https://m.facebook.com/story.php?story_fbid=10203343007995179&id=1210283913&_rdr#!/story.php?story_fbid=10203343007995179&id=1210283913&soft=more

Just a thought ...

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