What if one of the greatest engineering achievements in history was built without cement, mortar, cranes, or modern technology?
Deep in southern Africa stands Great Zimbabwe, a mysterious medieval stone city whose massive walls have survived for more than 7 00 years. Built from thousands of carefully cut granite blocks fitted together with astonishing precision, this ancient wonder continues to puzzle historians and engineers alike.
For centuries, many refused to believe that Africans could have built such an advanced city. Wild theories blamed everyone from ancient Egyptians to the Queen of Sheba. But what does the evidence actually reveal?