 Han Kangxin, who examined the skulls of 302 mummies, found the closest relatives of the earlier Tarim Basin population in the populations of the Afanasevo culture situated immediately north of the Tarim Basin and the Andronovo culture that spanned Kazakhstan and reached southwards into West Central Asia and the Altai.Victor H. Mair's team concluded that the mummies are Caucasoid, likely speakers of Indo-European languages such as the Tocharians