At a Factory, the Spark for China’s Violence

SHAOGUAN, China — The first batch of Uighurs, 40 young men and women from the far western region of Xinjiang, arrived at the Early Light Toy Factory here in May, bringing their buoyant music and speaking a language that was incomprehensible to their fellow Han Chinese workers.
source : http://www.nytimes.com/2009/07/16/world/asia/16china.html?em