XINJIANG PROVINCE, CHINA - October 13: A teacher teaches Mandarin Chinese characters to Uyghur students in Hetian Experimental Billingual School on October 13, 2006 in Hetian, Xinjiang province, China. The Uyghur people are a Turkic ethnic group living mainly in the Xinjiang Uyghur Autonomous Region of China. (Photo by Servais Mont/Getty Images)