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Sun Zhigang, secretary of CPC Guizhou Provincial Committee and chairman of the Standing Committee of Guizhou Provincial People's Congress, delivering his speech during the opening ceremony of the Big Data Expo 2018 in Guiyang, Guizhou province on May, 26, 2018. Photo: AFP/Jadranko Marjanovic

May 30, 2018 12:51 AM (UTC+8)