Uighur refugee boys read the Koran where they are housed in a gated complex in the central city of Kayseri, Turkey, February 11, 2015. Thousands of members of China's Turkic language-speaking Muslim ethnic minority have reached Turkey, mostly since last year, infuriating Beijing, which accuses Ankara of helping its citizens flee unlawfully. Turkish officials deny playing any direct role in assisting the flight. Picture taken February 11, 2015. To match Insight TURKEY-CHINA/UIGHURS REUTERS/Umit Bektas