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Post by greeneaglz on Mar 8, 2016 8:56:40 GMT 10
csweb.bournemouth.ac.uk/africanlegacy/16,000 km of ancient earthworks, the longest in the world, plus Africa's largest manmade structure... Where do you think you can find them? The answer will surprise you... check out the link above.
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Post by Wes Gear on Mar 9, 2016 0:08:51 GMT 10
This 4m deep ditch and bank acted as Ekhor Niro's community earthwork boundary about 1,300 years ago: it is part of the core zone earthworks, where the complicated network achieves densities of up to 7 km of earthworks per sq km. link
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Post by brillbilly on Mar 18, 2016 2:33:16 GMT 10
links gone guys!
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