Posted on 03/04/2006 7:38:26 PM PST by SunkenCiv
Sungbo's Eredo, as it is called, is really an earthen embankment with an accompanying ditch. Whatever you call it, it does enclose an area 25 miles north-to-south and 22 miles east-to-west. That's a lot of earth-moving, for at some spots the "wall" measures 70 feet from the bottom of the ditch to the top of the embankment. Today, this impressive structure is mostly concealed by the Nigerian jungle. A thousand years ago it enclosed a flourishing African kingdom.
(Excerpt) Read more at science-frontiers.com ...
Alas, Glastonbury is not manmade, although there are huge hills there.
ALSO google to find the program "Standing with stone".
The jungles of Yucatan are also known for long elevated causeways. Then there is the Great Wall of China. These all provide similar advantages.
1) Impressive to the common man and invaders.
2) Good to move fast along the top to reinforce areas with problems or attacks.
3) Good view over hills and jungles, while traveling and from spaced towers and barracks.
4) Above flooding and snow drifts.
5) Unambiguous boundry lines.
I've walked on a number of those with massive trees growing directly in the road-way...they're old.
Good thing this is in Southern Nigeria. Muslims would probably want to try to blow it up.
:’)
Needs some editing... ;)
The expressways in Chicago were supposed to fulfill the same purpose.
These areas have been under some continuous attention for centuries. Think about the areas of the globe currently sitting in jungles waiting to be discovered: Central and South America, Africa and Asia.
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