File photo taken on Sept. 1, 1956 shows teacher Han Zemin (L) writing down names of new pupils at No. 1 Primary School of the then Dongsi District of Beijing, capital of China. (Photo/Xinhua)
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File photo taken on Sept. 1, 1956 shows teacher Han Zemin (L) writing down names of new pupils at No. 1 Primary School of the then Dongsi District of Beijing, capital of China. (Photo/Xinhua)