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22-km Tianshan Shengli Tunnel Completed in China
22 kilometers? That is indeed a tunnel!
https://tunnelingonline.com/22-km-tianshan-shengli-tunnel-completed-in-china/
cover tunnel photo by: Matt Brown from London, England / CC BY
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https://tunnelingonline.com/22-km-tianshan-shengli-tunnel-completed-in-china/
22-km Tianshan Shengli Tunnel Completed in China
tunnelingonline.comThe Tianshan Shengli Tunnel, located in the Xinjiang Uygur Autonomous Region in Northwest China, completed tunneling on Dec. 30.