Visitors view tea products at a booth of Sri Lanka during the 13th China-ASEAN Expo in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, Sept. 12, 2016. (Xinhua/Cheng Li)
Visitors view tea products at a booth of Sri Lanka during the 13th China-ASEAN Expo in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, Sept. 12, 2016. (Xinhua/Cheng Li)
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