This might be of interest so some of you, if you haven't seen it already that is
"The people who lived there seem to have possessed a level of technology 2,000 years ahead of the norm for the period."
http://www.bbc.com/earth/story/20151006-this-prehistoric-british-town-was-swallowed-by-the-sea
"The people who lived there seem to have possessed a level of technology 2,000 years ahead of the norm for the period."
http://www.bbc.com/earth/story/20151006-this-prehistoric-british-town-was-swallowed-by-the-sea