Great Zimbabwe ruins are the remains of a medieval city located in the southeastern hills of Zimbabwe, near the town of Masvingo.
Great Zimbabwe Ruins: 11th-Century Mystery
The Oldest Wheel In The World is More Than 5,000 Years-Old
While currently it is not known when the first wheel was invented, we have archaeological evidence of the oldest wheel to date ever found, known as the Ljubljana Marshes Wheel.
The Oldest Wheel In The World is More Than 5,000 Years-Old