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In Mexico, archaeologists uncover a 100-foot tall mud pyramid, marking the site of the capital city of the mysterious Olmec. Who were these people?
A pioneering experiment shows how ancient Egyptians built the giant obelisks of Thebes. New findings suggest how they prompted the downfall of the pharaohs.
Abu Simbel in Egypt is the largest rock-cut temple in the world, built 3,000 years ago by Pharaoh Ramses II. How was this giant temple constructed and why?