Photo taken on Sept 25, 2016 shows Sang Lei's students playing table tennis at Pengdang Primary School, in Nujiang Lisu autonomous prefecture of Southwest China's Yunnan province. (Photo/Xinhua)
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Photo taken on Sept 25, 2016 shows Sang Lei's students playing table tennis at Pengdang Primary School, in Nujiang Lisu autonomous prefecture of Southwest China's Yunnan province. (Photo/Xinhua)
