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Dramatic changes for Chinese miners in the last 30 years

2015-03-23 06:27

By (chinadaily.com.cn)

Dramatic changes for Chinese miners in the last 30 years

At Liangbaosi Coal Mine in Shandong province, a psychological adjusting room was founded to ease miners' stress and treat their emotional problems during their work, in 2013. [Photo/news.qq.com]

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