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Photo taken on July 7, 2018 shows the scene of the Eco Forum Global Annual Conference Guiyang 2018 held in Guiyang, capital of southwest China's Guizhou Province. The Eco Forum Global Annual Conference Guiyang 2018 opened Saturday in Guiyang. The conference, themed "Embracing a New Era of Eco-civilization: Green Development with High Priority to Ecology," will last three days. (Xinhua/Lu Peng)