Ancient Lost African City Uncovered Thanks to Laser Technology

South Africa_Kweneng
The Ancient city of Kweneng, in South Africa (Source: BBC)

A few days ago, the ancient lost city of Kweneng in modern-day South Africa was uncovered using LIDAR (light detection and ranging) technology. LIDAR is a surveying method that measures the distance to a target by illuminating the target with pulsed laser light and measuring the reflected pulses with a sensor. Differences in laser return times and wavelengths can then be used to make digital 3-D maps of the targeted area. A few months back, scientists and archaeologists had unearthed an ancient Mayan megalopolis the size of New York City or Mexico City (Hidden Kingdoms of the Ancient Maya Revealed in a 3-D Laser Map),  buried under Central American jungles using LIDAR.

Now, Archaeologists using the same technology have rediscovered the ancient city of Kweneng, just outside Johannesburg in South Africa. The settlement dates back to the 15th Century, and was home to up to 10,000 people from the Tswana ethnic group. This is an amazing step forward, and I am sure many more ancient cities around the globe, and in Africa in particular, will be uncovered!

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