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Sang Lei, voluntary teacher in China's Yunnan

(Xinhua) Updated: 2016-10-12 11:05 Comments

Sang Lei, voluntary teacher in China's Yunnan

Photo taken on Sept. 27, 2016 shows Sang Lei (1st R) explaining lessons to his students at night at Pengdang Primary School,in Nujiang Lisu autonomous prefecture of Southwest China's Yunnan province.[Photo/Xinhua]

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