Mummies found buried in boats in a China desert have unexpected origins
https://edition.cnn.com/2021/10/30/world/science-newsletter-wt-scn-mummies-china/index.html
Before beginning of dynasty, each ethnicity moved unimaginable distance. For example, Polynesian people moved from Southern part of China or South East Asia to Tonga or Samoa nearly 3000 years ago.
It must have been suffering to move such a long distance by boat.
