pyramid-sudan2 ← Previous Next → 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. Share this using:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Tumblr (Opens in new window)Like this:Like Loading...