In this powerful documentary, Mama Yang, an 84-year-old woman living in New York, finds herself in correspondence with 4两个人高清视频免费视频完整版5 high security prison inmates she views as her own children. Most are Chinese American immigrants, and see in Mama Yang a mother figure they never knew before they stepped through prison walls. 　　For Mama Yang though, the story is about more than Christian char...