A worker prepares for the drone operation of linking the pilot cable of a highway bridge under construction over the Kaizhou Lake in southwest China's Guizhou Province, Nov. 5, 2020. The bridge is a part of the highway linking Weng'an and Kaiyang in Guizhou. After linking the pilot cable, the construction team will start to erect the main cable of the bridge. (Xinhua/Liu Xu)
