The incredible discovery was made in South Africa, around 150 km west of port Maputo. There, we find the remains of a huge metropolis that measures, according to tests, around 1500 square kilometers. This ancient city is, according to researchers, part of an even larger community with about 10,000 square kilometers and is believed to have been constructed 160,000 to 200,000 years before Christ. The region is somewhat remote and the "circles" have often been encountered by local farmers who assumed they were made by some indigenous people in the past. But, oddly, no one ever bothered to inquire about...