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Participants attend the opening ceremony of the 2017 Euro-Asia Economic Forum in Xi'an, capital of northwest China's Shaanxi Province, Sept. 21, 2017. (Xinhua/Liu Xiao)

Participants attend the opening ceremony of the 2017 Euro-Asia Economic Forum in Xi'an, capital of northwest China's Shaanxi Province, Sept. 21, 2017. (Xinhua/Liu Xiao)