In 1989, China's government banned a book which was titled "Xing Fengsu" ("Sexual Customs") and placed its authors under arrest after Uyghurs and Hui Muslims protested against its publication in Lanzhou and Beijing because it insulted Islam.[1][2][3][4][5][6][7][8][9][10] Hui Muslims who vandalized property during the protests against the book's publication were not punished but Uyghur protestors were imprisoned.[11]