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Photo taken on Dec. 12, 2016 shows the first stage's No. 2 hydropower station of the PowerChina-contracted project in Luang Prabang Province, north Laos. (Xinhua/Liu Ailun)
Photo taken on Dec. 12, 2016 shows the first stage's No. 2 hydropower station of the PowerChina-contracted project in Luang Prabang Province, north Laos. (Xinhua/Liu Ailun)