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Tourists visit the Taibaijian scenic spot in Lianyungang, east China's Jiangsu Province, April 5, 2018, during the three-day Qingming Festival holiday. (Xinhua/Geng Yuhe)

Tourists visit the Taibaijian scenic spot in Lianyungang, east China's Jiangsu Province, April 5, 2018, during the three-day Qingming Festival holiday. (Xinhua/Geng Yuhe)