Researchers supported by ALMA identify Inca calendar in the Atacama Desert

A multidisciplinary team made up of archaeologists, historians, and documentalists from the Chilean Museum of Pre-Colombian Art, supported by ALMA astronomers and an Atacameño researcher, ascertained the existence of astronomic structures —saywas— in the Atacama Desert, bordering the Inca Trail. Credit: ​​Claudio Mercado.