Mummies of the Takla Makan

They had reddish blonde hair, finely woven tartan robes, long noses and the bone structure of ancient Celts or Saxons. So who were the unknown, extinct people whose mummified remains have turned up in a desert region of China? An international team of experts investigates these extraordinary relics of a 3,500-year-old lost civilization, so perfectly preserved that the face of a small child still bears traces of tears.