The urban centres are the first to be discovered in the region, challenging archaeological dogma Mysterious mounds in the southwest corner of the Amazon Basin were once the site of ancient urban settlements, scientists have discovered. Using a remote-sensing technology to map the terrain from the air, they found that, starting about 1,500 years ago, ancient Amazonians built and lived in densely populated centres, featuring 22-metre-tall earthen pyramids, that were encircled by kilometres of elevated roadways. Researchers uncovered ancient urban centres on forested mounds in the Bolivian Amazon Basin.Credit: Roland Seitre/Nature Picture Library The complexity of these settlements is “mind blowing”, says team member Heiko Prümers, an archaeologist at the German Archaeological Insti...
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