Combo photo taken on Feb. 6, 2018 shows the construction at the south bank of the Yangtze River of the Changji-Guquan UHVDC (ultra-high voltage direct current) transmission link in Digang Town under Fanchang County, east China's Anhui Province. The ±1100 kv Changji-Guquan transmission link will set a world record in terms of voltage level, transmission capacity and distance. The link is expected to be finished within 2018 with the installation capacity of 12,000 megawatts. (Xinhua/Guo Chen)