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Tunnel drilling marks progress in China-Laos Railway

By Li Yingqing and Zhang Li | chinadaily.com.cn | Updated: 2020-03-13 20:30
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The Wanhe tunnel, 17.44 kilometers long, is drilled through on March 13, 2020, in Yuxi, Southwest China's Yunan province. [Photo by Liu Mingchuan/for chinadaily.com.cn]
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