A Russian worker introduces Russian pizza to visitors during the 2015 China-Russia Cultural Exhibition in Harbin, capital of northeast China's Heilongjiang Province, June 11, 2015. (Photo: Xinhua/Wang Kai)
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A Russian worker introduces Russian pizza to visitors during the 2015 China-Russia Cultural Exhibition in Harbin, capital of northeast China's Heilongjiang Province, June 11, 2015. (Photo: Xinhua/Wang Kai)
