Tianshan Shengli tunnel under construction built in harsh climate and geography in Uygur Autonomous region in China.
http://www.xinhuanet.com/english/2020-05/20/c_139072532.htm
Tianshan Shengli tunnel under construction built in harsh climate and geography in Uygur Autonomous region in China.
http://www.xinhuanet.com/english/2020-05/20/c_139072532.htm
Tianshan Shengli tunnel under construction in Xinjiang - Xinhua | English.news.cn
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