@CNN: Archeologists have spent centuries wondering how the towering pyramids of Giza were constructed thousands of years ago. Now, the discovery of a sophisticated ramp system has put them one step closer to solving the mystery. https://t.co/sTupqBZbn6 https://t.co/C19lKrKDHR
Archeologists have spent centuries wondering how the towering pyramids of Giza were constructed thousands of years ago. Now, the discovery of a sophisticated ramp system has put them one step closer to solving the mystery. https://t.co/sTupqBZbn6 pic.twitter.com/C19lKrKDHR
— CNN (@CNN) November 8, 2018