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The 70-year-old Zhang Weipang, who once lived in a cave dwelling, sits on a sofa of his new home in Yan'an, a former revolutionary base in northwest China's Shaanxi Province, Jan. 17, 2018. (Xinhua/Liang Aiping)
The 70-year-old Zhang Weipang, who once lived in a cave dwelling, sits on a sofa of his new home in Yan'an, a former revolutionary base in northwest China's Shaanxi Province, Jan. 17, 2018. (Xinhua/Liang Aiping)