A worker works on the Kongzhai reservoir in Taijiang County of Qiandongnan Miao and Dong Autonomous Prefecture, southwest China's Guizhou Provicne, Aug. 23, 2019. The construction of the reservoir was successfully finished here Friday. With a total storage capacity of 24.8 million cubic meters, the reservoir would play an important role in helping the local battle water shortage and poverty after starting to generate electricity. (Xinhua/Liu Xu)