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A tourist visits a verbena field at Binjiang Park in Nanning, south China's Guangxi Zhuang Autonomous Region, April 21, 2019. (Xinhua/Zhou Hua)
A tourist visits a verbena field at Binjiang Park in Nanning, south China's Guangxi Zhuang Autonomous Region, April 21, 2019. (Xinhua/Zhou Hua)