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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

This aerial photo taken on Sept 28, 2016 shows Pengdang Primary School in Pengdang township, Nujiang Lisu autonomous prefecture of Southwest China's Yunnan province.[Photo/Xinhua]

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