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A woman crushes coal in 1958
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by Covell Meyskens
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The source has more details at each image. Source
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庄梦雄, 下班之后, 1974 (木刻) This wood engraving is by a Hangzhou youth sent to work in a coal mine in Ningxia province. The engraving depicts a fellow worker at the mine, who like other sent-down youth tried to keep up on their university studies after work.