Pupils hang paper cranes to celebrate Teachers' Day which falls on Sept. 10 at Zhengkou No. 1 primary school in Gucheng County, north China's Hebei Province, Sept. 8, 2017. (Xinhua/Li Xiaoguo)
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Pupils hang paper cranes to celebrate Teachers' Day which falls on Sept. 10 at Zhengkou No. 1 primary school in Gucheng County, north China's Hebei Province, Sept. 8, 2017. (Xinhua/Li Xiaoguo)