Archaeologists excavating the prehistoric site of Pasha Tepe in Azerbaijan’s Jalilabad district have uncovered a rare polished stone sphere that researchers say has no known parallels in the South Caucasus. The artefact was discovered during ongoing excavations led by Vafa Mahmudova, Senior Research Fellow at the Institute of Archaeology and Anthropology of the Azerbaijan National Academy of Sciences. According to Mahmudova, the find is one of t…