The UN accuses China of detaining a million Uighurs, Kazakhs and people from other Muslim minorities in the region of Xinjiang. Most have not been accused of anything let alone sentenced. The international NGO Human Rights Watch accuses China of violating human rights in re-education centers where people are forced to learn Mandarin and sing songs praising the Communist Party. Those who fail to subject themselves to political and cultural indoctrination are punished. Mathias Bölinger accompanied Khairat Samarkhan, a former Kazakh detainee trying to build up a life for himself who is also trying to get others out.