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A 17-year career in tunnel maintenance

(chinadaily.com.cn) Updated: 2011-06-25 16:29
A 17-year career in tunnel maintenance

Xu Caiyun (R) and a colleague grab a searchlight before work in the tunnel in Haixi Mongol and Tibet autonomous prefecture in Northwest China's Qinghai province, June 25, 2011. [Photo/Xinhua]

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