The story about the arrest and enslavement of a crashed American airman by a backward tribe of the Yi people in central Sichuan during WWII.The story about the arrest and enslavement of a crashed American airman by a backward tribe of the Yi people in central Sichuan during WWII.The story about the arrest and enslavement of a crashed American airman by a backward tribe of the Yi people in central Sichuan during WWII.