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![#CHINA-SHANDONG-ZAOZHUANG-SWEET POTATO (CN)](137705373_15460071486511n.jpg)
Workers select sweet potatoes at a workshop in Shuiquan Town of Shanting District in Zaozhuang City, east China's Shandong Province, Dec. 28, 2018. Shanting District promoted air-dried sweet potato business since winter started, as an effort to help over 1,100 impoverished residents increase income during the slack season. (Xinhua/Liu Mingxiang)