Laser scanning technology successfully peered through the Amazon rain forest’s thick canopy to reveal the footprint of a complex network of ancient villages in southeastern Brazil. Dwellings in these little-known settlements, which date to between 1300 and 1700 CE, were built atop raised mounds of earth arranged in a uniform circular pattern around a central plaza. Rather like clock faces according to researchers.
The scans also showed that the villages were connected via an organized system of roads. Most villages had two roads leading away to the north, and two leading away to the south. The roads also varied with some being smaller and sunken into the ground, others larger and protected on the sides by banks.
In total the archaeologists studied some 36 villages. The area appeared densely populated with some villages as little as 2.5 kilometers (1.6 miles) apart.
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