Tourists enjoy a moment in a pond covered with leaves of water-lily Victoria amazonica in Xishuangbanna tropical botanic garden in southwest China's Yunnan Province on Aug. 15, 2017. (Xinhua/Hu Chao)
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Tourists enjoy a moment in a pond covered with leaves of water-lily Victoria amazonica in Xishuangbanna tropical botanic garden in southwest China's Yunnan Province on Aug. 15, 2017. (Xinhua/Hu Chao)
