Photo taken on Sept. 6, 2010 shows sculpture artworks made of jade in an exhibition held in Urumqi, capital of northwest China's Xinjiang Uygur Autonomous Region, Sept. 6, 2010. Experts would select some sculptures from more than 400 artworks displayed in the exhibition to compete in the upcoming ninth "Tiangong Award" contest, a nationwide contest for jade art in China. (Xinhua/Wang Fei)