Read MoreDisney’s “Mulan” is under fire for being filmed partly in Xinjiang, the region in China where Uighur Muslims have been detained in mass internment camps. Elizabeth Palmer examines why the most controversial part of the movie is the closing credits.Disney’s “Mulan” is under fire for being filmed partly in Xinjiang, the region in China where Uighur Muslims have been detained in mass internment camps. Elizabeth Palmer examines why the most controversial part of the movie is the closing credits.