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Photo taken on Jan. 17, 2018 shows the Liangjiahe community in Yanchuan County of Yan'an, a former revolutionary base in northwest China's Shaanxi Province. (Xinhua/Liang Aiping)
Photo taken on Jan. 17, 2018 shows the Liangjiahe community in Yanchuan County of Yan'an, a former revolutionary base in northwest China's Shaanxi Province. (Xinhua/Liang Aiping)