Pedestrians walk past anti-terror propaganda posters pasted along the streets of Urumqi, farwest China's Xinjiang region on September 16, 2014. Ilham Tohti, a former university professor from China's mostly-Muslim Uighur minority is facing a life sentence for separatism, as critics warn the prosecution will worsen in violence-wracked Xinjiang. AFP PHOTO/GOH CHAI HIN (Photo credit should read GOH CHAI HIN/AFP/Getty Images)
