Spotlight: Chinese-built biggest dam in Cambodia to start operation in November

Photo taken on Sept. 25, 2017 shows the 400-megawatt Lower Sesan II Hydropower Plant in Stung Treng, Cambodia. The 400-megawatt Lower Sesan II Hydropower Plant, which is Cambodia's biggest hydropower dam so far, will start operation in November after almost four years of construction. (Xinhua/Mao Pengfei)