A doctor of Uygur ethnic group examines an injured man at the No. 23 Hospital of the Chinese People's Liberation Army (PLA) in Urumqi, capital of China's Xinjiang Uygur Autonomous Region, in this picture taken on July 7, 2009. Xinjiang is slowly returning to normal after a deadly riot broke out in capital city Urumqi on July 5, 2009. [Xinhua]