Children take part in a celebration for the Noruz Festival marking the start of spring plowing in Wupu Township, Hami, northwest China's Xinjiang Uygur autonomous region, March 19, 2014. The Noruz Festival is one of the most significant festivals shared by various ethnic groups in Xinjiang, including Kazahk, Uygur, Uzbek, and so on. [Xinhua/Cai Zengle]