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Tourists enjoy ginkgo trees at the Ming Tomb scenic area in Nanjing, east China's Jiangsu Province, on Nov. 17, 2018. (Xinhua/Yang Suping)

Tourists enjoy ginkgo trees at the Ming Tomb scenic area in Nanjing, east China's Jiangsu Province, on Nov. 17, 2018. (Xinhua/Yang Suping)