A pupil washes face with little water at a primary school in Luogong Village, Luliang County of southwest China's Yunnan Province, Feb. 21, 2012.  (Xinhua Photo)

Villager Yang Encun of Miao ethnic group and his wife carry water home in Xibotian Village in Hui and Yi Autonomous County of Xundian, southwest China's Yunnan Province, Feb. 21, 2012. (Xinhua Photo)