Among the discoveries are pyramids with a circle built inside them, cross-braces connecting the circle to the corners of the pyramid. Outside of Sedeinga only one pyramid is known to have been built ... more 
Among the discoveries are pyramids with a circle built inside them, cross-braces connecting the circle to the corners of the pyramid. Outside of Sedeinga only one pyramid is known to have been built in this way. less 
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LiveScience.com | Photo By Photo copyright Vincent Francigny/SEDAU
Wed, Feb 6, 2013 11:30 AM EST