Photo taken on June 21, 2017 shows the entrance of the Lianyuanshan Tunnel in Liuyang, central China's Hunan Province. The tunnel, a key part of a over 1,800 km coal transport railway line connecting north China's Inner Mongolia Autonomous Region with Ji'an City in east China's Jiangxi Province, was successfully holed through on Wednesday. (Xinhua/Li Ga)
Lianyuanshan Tunnel successfully holed through
Source:Xinhua| 2017-06-21 19:23:00|Editor: Mengjie
KEY WORDS: Lianyuanshan Tunnel
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