Combo photo shows students playing at a primary school in Darya Boyi Town of Yutian County, northwest China's Xinjiang Uygur Autonomous Region, Sept. 5, 2018 (upper), and students having fun at a new primary school at the new settlement for poverty relief relocation, about 110 km from the old town, in Yutian County, northwest China's Xinjiang Uygur Autonomous Region, March 20, 2019. (Xinhua/Hu Huhu)