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Former Japanese Prime Minister Yukio Hatoyama speaks at the opening ceremony of the Eco Forum Global Annual Conference Guiyang 2018 held in Guiyang, capital of southwest China's Guizhou Province, July 7, 2018. (Xinhua/Ou Dongqu)
Former Japanese Prime Minister Yukio Hatoyama speaks at the opening ceremony of the Eco Forum Global Annual Conference Guiyang 2018 held in Guiyang, capital of southwest China's Guizhou Province, July 7, 2018. (Xinhua/Ou Dongqu)