Ancient Qiang people had vertically grown teeth and longer skeleton

Photo shows the skulls' comparison of newly found ancient Qiang people and modern people. Recently, archaeologists have discovered an ancient tomb in Alaer, Southern Xinjiang, China. The finding shows that the skeleton of the Qiang people 4,000 years ago was nearly 2.3 meters long. Also, the Qiang people's front teeth are vertically grown, unlike modern people's teeth which are horizontally generated.